The WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors arrives with the following buyer-facing parameters: Power supply Detectors on sealed 3V CR123A cells rated 3 years, gateway on 5V DC 1 A USB-C with a 4-hour Li-ion backup; Power consumption 9 uA standby per detector, 1.5 W typical for the gateway; Output signal Wi-Fi 2.4 GHz 802.11 b/g/n to the kit gateway, gateway uplink over Wi-Fi or 4G LTE Cat-1 with MQTT to the cloud platform; Coverage area Standard kit covers a 90 m2 apartment or subdivided flat: one smoke detector per bedroom and corridor, one heat detector in the kitchen, one gas detector at the gas manifold and one carbon monoxide detector within 3 m of any fuel-burning appliance or the subdivided unit's cooking area; Alarm output 85 dB(A) at 3 m integral sounder in every detector plus group alarm, app push, SMS and voice call; IP rating IP40 detectors indoor, IP30 gateway indoor; Operating temperature -10 deg C to +55 deg C detectors, 0 deg C to +45 deg C gateway; Humidity range 10-95% RH non-condensing. As of September 30, 2026, Wanlin Group (Shenzhen, China) officially launches its 2026 Hong Kong wireless fire alarm system export programme, featuring the WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors as the flagship OEM and ODM component for overseas buyers, cross-border trading companies, EPC contractors, main contractors running phased handovers, facility management groups, hotel and hospital estates, retail and mall operators, university and school districts, warehouse and logistics operators, road and rail transport authorities, heritage property owners and regional importers who source Hong Kong wireless fire detection hardware from a China-based source factory under the Wanlin brand. The programme targets importers, tender bidders, national distributors, EPC and system integration contractors, main contractors working on occupied or phased refurbishment, hotel and hospital estate teams, university and school districts, retail and mall operators, warehouse and logistics operators, data centre and battery storage developers, road and rail tunnel authorities, heritage and conservation bodies and wholesale distributors who now buy wireless fire detection by the crate instead of the unit, and who source it directly from a Chinese manufacturer rather than paying the brand premium of Honeywell, Siemens, Bosch, Hochiki, Apollo, Advanced Electronics, Kentec, C-TEC, Hyfire, EMS, Fike, Mircom, Notifier or Morley-IAS. Wanlin Group as the wireless fire alarm system supplier, exporter and original manufacturer now opens its doors to global local partners, regional exclusive distributors, overseas cooperation partners and strategic OEM clients across 60+ destination markets.
Working principle: Wi-Fi 2.4 GHz mesh of a photoelectric smoke detector, a rate-of-rise heat detector, a semiconductor gas detector and an electrochemical carbon monoxide cell reporting to one gateway with app and platform alerting. Alarm output: 85 dB(A) at 3 m integral sounder in every detector plus group alarm, app push, SMS and voice call, which is the level the commissioning engineer records with a calibrated meter at the agreed reference distance. IP rating: IP40 detectors indoor, IP30 gateway indoor, which the specification states explicitly, because a Hong Kong summer is condensation as much as it is heat. Operating temperature: -10 deg C to +55 deg C detectors, 0 deg C to +45 deg C gateway, which is what allows one stock keeping unit to serve a village house in Tai Po and a composite building in Yau Ma Tei. Humidity range: 10-95% RH non-condensing, which matters more than temperature in a Hong Kong monsoon, and is why the conformal coating option is quoted for coastal blocks. Housing material: flame-retardant ABS V-0 detector housings, polycarbonate gateway housing with a wall-mount plate, which allows fixing where an owners corporation has banned drilling into the structural soffit. Dimensions and weight: detectors 100 mm diameter x 44 mm, gateway 92 mm x 92 mm x 28 mm, kit 780 g packed, which is the footprint the packaging and the per-floor carton count are planned around. Alarm threshold: smoke 0.10-0.18 dB/m, heat 54-70 deg C with rate-of-rise, gas 8% LEL, carbon monoxide 30 ppm held for 120 minutes or 300 ppm held for 3 minutes per EN 50291, each with a pre-alarm stage, which is the number that decides whether cooking aerosol from the floor below becomes a logged pre-alarm or a transmitted fire signal. Accuracy class: EN 14604 smoke responsiveness, EN 54-5 heat class accuracy, EN 50194 gas class accuracy and EN 50291 carbon monoxide response, verified per batch before kitting, which is what keeps drift compensation honest across twelve months of a humid Hong Kong summer. Certifications: EN 14604 / EN 50194 / EN 50291 / CE / RoHS / REACH / FCC Part 15 / GB 20517 and GB 15322 CCCF.
Executive Summary - Wanlin Hong Kong IoT Fire Alarm Equipment and the FSD Circular 3/2026 Programme
Executive summary - 12 buyer-relevant points:
- Flagship model WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors, wi-fi 2.4 ghz mesh of a photoelectric smoke detector, a rate-of-rise heat detector, a semiconductor gas detector and an electrochemical carbon monoxide cell reporting to one gateway with app and platform alerting
- Sensing element photoelectric optical chamber in the smoke unit, ntc thermistor in the heat unit, tin-dioxide semiconductor element in the gas unit and a three-electrode electrochemical co cell, all reporting to the kit gateway
- Alarm threshold smoke 0.10-0.18 db/m, heat 54-70 deg c with rate-of-rise, gas 8% lel, carbon monoxide 30 ppm held for 120 minutes or 300 ppm held for 3 minutes per en 50291, each with a pre-alarm stage
- Accuracy and response en 14604 smoke responsiveness, en 54-5 heat class accuracy, en 50194 gas class accuracy and en 50291 carbon monoxide response, verified per batch before kitting / smoke alarm within 8-30 s, heat within 30-120 s by class, gas within 30 s at 8% lel, carbon monoxide within 60-240 s by concentration band per en 50291, app push within 5 s of any alarm
- Power and consumption detectors on sealed 3v cr123a cells rated 3 years, gateway on 5v dc 1 a usb-c with a 4-hour li-ion backup / 9 ua standby per detector, 1.5 w typical for the gateway
- Output signal wi-fi 2.4 ghz 802.11 b/g/n to the kit gateway, gateway uplink over wi-fi or 4g lte cat-1 with mqtt to the cloud platform
- Coverage and notification standard kit covers a 90 m2 apartment or subdivided flat: one smoke detector per bedroom and corridor, one heat detector in the kitchen, one gas detector at the gas manifold and one carbon monoxide detector within 3 m of any fuel-burning appliance or the subdivided unit's cooking area / 85 db(a) at 3 m integral sounder in every detector plus group alarm, app push, sms and voice call
- 16 wireless fire alarm and companion hardware families from one factory: WANLIN-860 control panels to EN 54-2 and EN 54-4, WANLIN-868D LoRa gateways with Ethernet, Wi-Fi and 4G backhaul, WANLIN-307 and WANLIN-309 IoT smoke detectors on LoRaWAN, NB-IoT and 4G LTE Cat-1, WANLIN-303 standalone smoke alarms with 433 MHz interconnect, WANLIN-340 rate-of-rise heat detectors to EN 54-5, WANLIN-222 resettable call points to EN 54-11, WANLIN-656 sounder strobes to EN 54-3 and EN 54-23, WANLIN-705 electrical fire monitors, WANLIN-770 pressure gauges, WANLIN-780 water level meters, WANLIN-365 combustible gas detectors, WANLIN-260 home fire safety kits, WANLIN-710 smart breakers, the A119-YW detector tester and the WANLIN-620 IoT fire alarm equipment retrofit package on the same radio network
- MOQ 200 pcs, lead time 20-28 days, EXW / FOB Shenzhen / CFR / CIF / DDP supported, 36 months warranty
- Flagship field reference Ground-floor restaurant with a ducted kitchen exhaust under five storeys of flats, Electric Road, Tin Hau, Eastern District, Hong Kong SAR: The wok station sits directly below the only staircase, and the extract duct runs up the l.
- Target buyer: importer, tender bidder, main contractor on a phased handover, EPC and system integration contractor, hotel and hospital estate operator, university and school district, retail and mall operator, warehouse and logistics operator, data centre and battery storage developer, transport authority, heritage property owner, facility management contractor, safety products distributor, cross-border trading company
- Signal chain evidenced end to end: detector to gateway within 10 s, battery device alarm within 20 s, gateway to platform within 20 s, platform to the Fire Services Communications Centre within 100 s, heartbeat every 30 min on mains and every 24 h on battery
- Two 5 kg portable powder fire extinguishers per floor, FS251 submission pack, radio survey record, cause-and-effect matrix and a three-year maintenance quotation issued as one handover pack
- Contact: wanlinfirecontrol@163.com / +8613261677119 / www.wanlinfire.com
This article is written for B2B buyers in Lai King, Hong Kong SAR who judge a IoT fire alarm equipment package on availability rather than on features: how much radio margin each device carries after the last partition went up, how many years of real duty the cell gives at the site temperature, how quickly the platform names the device and its exact location, and whether an investigating person can hold the general alarm long enough to check without missing a real fire. Link budget decides the first, cell chemistry derated for the local climate decides the second, and the operating modes - normal, investigation, test and evacuation - decide the third. Wanlin Group operates its own manufacturing facility in Shenzhen with SMT lines, optical calibration benches, a radio laboratory and a functional test gallery, supplying IoT fire alarm equipment assemblies - multi-sensor smoke and carbon monoxide detectors, 4G LoRa fire alarm gateways with dual SIM cards, mains alarm sounders, battery manual call points, monitoring platform instances and 5 kg powder portable fire extinguishers - into Hong Kong SAR for Cap. 572 target building programmes across all 18 districts under the Wanlin brand. Everything below is designed around the three questions that decide whether a wireless project holds up: which radio path matches the site, whether the certificate set and frequency band match the shipped model code, and whether the coverage survey actually covers the shadows.
What Is a Hong Kong IoT Fire Alarm Equipment (IoT FDS) under FSD Circular Letter No. 3/2026?
An IoT fire alarm equipment, abbreviated IoT FDS, is the complete fire detection and alarm arrangement accepted by the Hong Kong Fire Services Department under Circular Letter No. 3/2026, issued 30 April 2026, as an alternative solution to the hose reel system and the manual fire alarm system required in target buildings of six storeys or below under the Fire Safety (Buildings) Ordinance Cap. 572. It is not a single gadget and it is not a replacement for an addressable EN 54 system: it is a four-part arrangement in which multi-sensor smoke and carbon monoxide detectors, a 4G LoRa gateway carrying two SIM cards on two different external networks, a monitoring platform and a mobile application for frontline firefighters together deliver the detection, the transmission and the firefighter information that a hose reel and manual alarm combination would otherwise provide. Only those two items are replaced. Sprinkler provisions, portable extinguishers, means of escape, emergency lighting, ventilation and every other Cap. 572 requirement, including the Fire Safety Direction itself, remain unchanged.
For a buyer in Lai King, Hong Kong SAR, the definition reduces to five statements that can each be tested on site rather than read off a brochure. First, the detectors sense both smoke and carbon monoxide and run two-stage logic, so a single criterion raises a pre-alarm while confirmed criteria raise a fire signal. Second, the gateway reaches the monitoring platform across two independent mobile networks with automatic failover. Third, fire signals reach the Fire Services Communications Centre through the computerised fire alarm transmission system and are duplicated to the Fire Services Department server through an application programming interface. Fourth, the platform reports device heartbeat every 30 minutes for mains-powered devices and every 24 hours for battery-powered devices, so a dead unit is never silent. Fifth, two 5 kg portable powder fire extinguishers are provided on every floor. The WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors supplied by Wanlin Group is engineered to that definition, with Wi-Fi 2.4 GHz mesh of a photoelectric smoke detector, a rate-of-rise heat detector, a semiconductor gas detector and an electrochemical carbon monoxide cell reporting to one gateway with app and platform alerting.
Hong Kong IoT Fire Alarm Equipment Market Overview and Cap. 572 Buyer Demand
Wireless fire alarm system demand is driven by building and infrastructure work that cannot accept a cable: occupied refurbishment where every penetration needs a permit, listed and historic buildings where fixings are reversible by consent, construction sites and temporary venues where the system moves four times, multi-building campuses that want one register instead of six, basements and car parks where concrete eats radio planning, and portfolios whose owners are paying real money for unwanted call-outs. Standards have moved with the demand: EN 54-25 for the radio path alongside EN 54-2, EN 54-4, EN 54-7, EN 54-5, EN 54-11, EN 54-3 and EN 54-23 for the devices, BS 5839 Part 6 practice for domestic and mixed buildings in the UK, NFPA 72 in the Americas, local radio licensing for every frequency band, and increasingly an owner requirement that the platform hands over cleanly at the end of a service contract.
Market access in Lai King, Hong Kong SAR is anchored on documentation set prepared for the Fire Services Department submission in Kwai Tsing District: the IoT FDS application intent form reference, the EN 54-7 smoke and EN 54-5 heat type-test file, the EN 54-25 radio component declaration, the OFCA short-range device record for the LoRaWAN and 4G control link, the FS251 certificate template and the bilingual Traditional Chinese and English label artwork printed at the factory. Multi-sensor smoke and carbon monoxide detectors, 4G LoRa fire alarm gateways with dual SIM cards, mains powered alarm sounders, battery manual call points and the 5 kg powder portable fire extinguishers are shipped into Lai King, Hong Kong SAR on one HS-coded packing list: the Fire Services Department submission file, the OFCA short-range device documentation, the EN 54 type-test references, the CE and RoHS declarations and the per-unit battery autonomy record travel with the pallet, so the registered fire service installation contractor signs the FS251 certificate without a second shipment or a re-test at destination, which requires a documented conformity route, a declaration referencing EN 54-2, EN 54-4 and EN 54-25 as applicable, a radio band approval matched to the shipped model code and third-party approval body involvement where the scheme demands it. Cross-border buyers are advised to verify the declaration, the type-test report and the frequency-band approval of every device prior to import, since non-compliant or un-certificated wireless fire alarm systems may be rejected by customs authorities, refused by the insurer, or excluded from the safety case that the responsible person has to sign.
Reference: EN 54-2 and EN 54-4 for control and indicating equipment, EN 54-25 for the radio path, EN 54-7 for smoke heads, EN 54-5 for heat classes A1R, A2S, BR and CS, EN 54-11 for call points, EN 54-3 and EN 54-23 for sounders and visual devices, EN 54-21 for alarm transmission equipment, BS 5839 Part 1 and Part 6 for UK system practice, NFPA 72 for the Americas, CE, UKCA and FCC for the radio and EMC routes, the OFCA short-range device declaration covering the LoRaWAN and 4G control link, ISO 7240 for system alignment, GB 4717, GB 20517, GB 19880, GB 26851 and GB 20517 CCCF for the China scheme, national radio type-approval for the LoRaWAN, NB-IoT, LTE and Wi-Fi models, plus local building and workplace requirements in the destination market, and Wanlin Group 2026 wireless fire alarm system export programme documentation.
IoT Fire Alarm Equipment Engineering - Radio Planning, Battery Autonomy and Two-Stage False-Alarm Immunity
The WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors is engineered inside a four-layer wireless fire alarm architecture rather than as an isolated device: (1) a sensing layer using dual-criteria smoke and heat elements with coincident confirmation, because most unwanted activations come from steam, cooking and dust rather than from faults; (2) a radio layer with a declared link budget and a frequency plan legal for the destination band, because a device that reaches the gateway by 3 dB is a device that stops reaching it the day someone installs a steel partition; (3) a power layer choosing per site between wide-input mains with a declared ride-through time and lithium cells whose service life is quoted for the local temperature rather than for a laboratory bench; and (4) an evidence layer holding the event log, per-device battery and signal history and weekly server backups, because the insurer, the enforcing authority and the maintenance contractor all argue less when the data series is attached to the file. Because the package is specified as one design, optics, thresholds, transport and evidence format come from the same document rather than four vendors each protecting their own share of the liability.
Three sub-modules define the engineering depth:
- Sensing layer - Photoelectric optical chamber in the smoke unit, NTC thermistor in the heat unit, tin-dioxide semiconductor element in the gas unit and a three-electrode electrochemical CO cell, all reporting to the kit gateway. Smoke 0.10-0.18 dB/m, heat 54-70 deg C with rate-of-rise, gas 8% LEL, carbon monoxide 30 ppm held for 120 minutes or 300 ppm held for 3 minutes per EN 50291, each with a pre-alarm stage holds the alarm decision across steam, cooking aerosol, dust loading and slow developing fires.
- Power and signal interface - Detectors on sealed 3V CR123A cells rated 3 years, gateway on 5V DC 1 A USB-C with a 4-hour Li-ion backup. Wi-Fi 2.4 GHz 802.11 b/g/n to the kit gateway, gateway uplink over Wi-Fi or 4G LTE Cat-1 with MQTT to the cloud platform plus 9 uA standby per detector, 1.5 W typical for the gateway covers mains powered builds, battery builds and every output from a dry contact to a cellular uplink.
- Alarm output and enclosure - 85 dB(A) at 3 m integral sounder in every detector plus group alarm, app push, SMS and voice call. Standard kit covers a 90 m2 apartment or subdivided flat: one smoke detector per bedroom and corridor, one heat detector in the kitchen, one gas detector at the gas manifold and one carbon monoxide detector within 3 m of any fuel-burning appliance or the subdivided unit's cooking area coverage plus IP40 detectors indoor, IP30 gateway indoor housing keeps basements, corridors, plant rooms and exposed decks protected and serviceable.
Featured Model - WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors Technical Signature
The featured model is WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors, part of the Home Fire Safety Kit - Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors with Gateway family, configured as the wi-fi starter kit (1 variant). FOB Shenzhen reference price is $68.00 per piece at MOQ 200 pcs, with bulk tier pricing ranging $59.16-$75.48 depending on detection class, measuring range, enclosure rating, output protocol variant, certification scope and packaging artwork. Lead time is 20-28 days from PO confirmation and 30% T/T deposit receipt, with 36 months warranty.
The unique technical signature of WANLIN-260 on this variant combination is documented in the table below. Every parameter listed is engineering-verified by our Shenzhen lab and cross-checked against the applicable EN 54-2, EN 54-4, EN 54-25, EN 54-7, EN 54-5, EN 54-11, EN 54-3 or EN 54-23 product standard, the declaration of conformity scope, the radio band approval matched to the shipped model code and the response time requirement of the destination market. Coverage and battery figures must be re-stated for the actual building, since concrete, steel partitions and winter temperatures change the numbers more than any datasheet note can cover.
| Specification | Value |
|---|---|
| working_principle | Wi-Fi 2.4 GHz mesh of a photoelectric smoke detector, a rate-of-rise heat detector, a semiconductor gas detector and an electrochemical carbon monoxide cell reporting to one gateway with app and platform alerting |
| sensing_element | Photoelectric optical chamber in the smoke unit, NTC thermistor in the heat unit, tin-dioxide semiconductor element in the gas unit and a three-electrode electrochemical CO cell, all reporting to the kit gateway |
| alarm_threshold | Smoke 0.10-0.18 dB/m, heat 54-70 deg C with rate-of-rise, gas 8% LEL, carbon monoxide 30 ppm held for 120 minutes or 300 ppm held for 3 minutes per EN 50291, each with a pre-alarm stage |
| accuracy_class | EN 14604 smoke responsiveness, EN 54-5 heat class accuracy, EN 50194 gas class accuracy and EN 50291 carbon monoxide response, verified per batch before kitting |
| response_time | Smoke alarm within 8-30 s, heat within 30-120 s by class, gas within 30 s at 8% LEL, carbon monoxide within 60-240 s by concentration band per EN 50291, app push within 5 s of any alarm |
| power_supply | Detectors on sealed 3V CR123A cells rated 3 years, gateway on 5V DC 1 A USB-C with a 4-hour Li-ion backup |
| power_consumption | 9 uA standby per detector, 1.5 W typical for the gateway |
| output_signal | Wi-Fi 2.4 GHz 802.11 b/g/n to the kit gateway, gateway uplink over Wi-Fi or 4G LTE Cat-1 with MQTT to the cloud platform |
| coverage_area | Standard kit covers a 90 m2 apartment or subdivided flat: one smoke detector per bedroom and corridor, one heat detector in the kitchen, one gas detector at the gas manifold and one carbon monoxide detector within 3 m of any fuel-burning appliance or the subdivided unit's cooking area |
| alarm_output | 85 dB(A) at 3 m integral sounder in every detector plus group alarm, app push, SMS and voice call |
| ip_rating | IP40 detectors indoor, IP30 gateway indoor |
| operating_temp | -10 deg C to +55 deg C detectors, 0 deg C to +45 deg C gateway |
| humidity_range | 10-95% RH non-condensing |
| housing_material | Flame-retardant ABS V-0 detector housings, polycarbonate gateway housing with a wall-mount plate |
| dimensions_weight | Detectors 100 mm diameter x 44 mm, gateway 92 mm x 92 mm x 28 mm, kit 780 g packed |
| certifications | EN 14604 / EN 50194 / EN 50291 / CE / RoHS / REACH / FCC Part 15 / GB 20517 and GB 15322 CCCF |
Hong Kong IoT Fire Alarm Equipment Line-up - Detector, Gateway, Sounder, Manual Call Point, Platform and Extinguisher Selection
A Hong Kong IoT fire alarm equipment order is never a single part number. It is a bill of quantities in which the detector count is set by floor area and layout, the gateway count by radio coverage, the sounder and call point count by the means of escape, and the extinguisher count by the number of floors. The table below shows the Wanlin line-up for Lai King, Hong Kong SAR as six of the eight standard lots, rotated against this quotation so that each building sees the items its own layout actually needs rather than a generic list.
| Equipment item | Wanlin model | Engineering signature | Where it goes in a Hong Kong target building | Why the buyer specifies it |
|---|---|---|---|---|
| 5. Dual SIM 4G LoRa gateway | WANLIN-868D | Two independent mobile networks with automatic failover, manual call point and sounder interfaces, buffered event log | One per building, sited for radio coverage rather than for appearance, with a witnessed changeover at commissioning | The single component whose failure would blind the whole building, so it is the one item worth specifying with redundancy |
| 6. Manual call point and alarm sounder | WANLIN-656 call point and WANLIN-705 sounder | Resettable element, 90-100 dB(A) mains sounder, battery option where the building has no common supply | Escape routes, entrances, lift lobbies and every floor landing | Gives occupants a manual trigger and an audible warning that still works when the platform link is down |
| 7. Fire alarm control and indicating equipment | WANLIN-860 | Zone and device text display, fault and supervisory relays, event log exportable for the monthly performance report | Where the building already has an indicating panel position, or where the owner wants local indication at the entrance | Bridges the wireless devices to any existing building system the owner is not ready to replace |
| 8. Monitoring platform, firefighter application and portable extinguishers | Supplied with the WANLIN-620 package | CFATS link to the Fire Services Communications Centre, application programming interface duplicate to the Fire Services Department server, two 5 kg powder extinguishers per floor | Hosted console per building, plus two extinguishers with wall brackets and inspection tags on every floor | These three items are what turn a box of devices into a submission the department will accept |
| 1. Multi-sensor smoke and carbon monoxide detector | WANLIN-620 package head, with the WANLIN-365 sensing variant for gas-prone units | Two-stage logic: a single criterion raises a pre-alarm, confirmed criteria raise a fire signal; mains heartbeat every 30 min and battery heartbeat every 24 h | At least one per floor in the common areas, plus one in the living room of every domestic unit | The only device class in the accepted solution that sees a smouldering fire before there is flame |
| 2. Photoelectric smoke detector | WANLIN-303 sealed-cell family and the WANLIN-307 platform-connected family | 0.08-0.18 dB/m obscuration with drift compensation, 85 dB(A) integral sounder, 433 MHz group interconnect or LoRaWAN uplink | Bedrooms, corridors, staircases and subdivided units that have no usable ceiling void | Lowest cost per protected square metre, and the sealed-cell version removes the annual battery round from the maintenance budget |
Alongside these lots, the WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors quoted here carries detectors on sealed 3V CR123A cells rated 3 years, gateway on 5V DC 1 A USB-C with a 4-hour Li-ion backup, IP40 detectors indoor, IP30 gateway indoor and standard kit covers a 90 m2 apartment or subdivided flat: one smoke detector per bedroom and corridor, one heat detector in the #rega:433#, one gas detector at the gas manifold and one carbon monoxide detector within 3 m of any fuel-burning appliance or the subdivided unit's cooking area. Those three values decide the spares allowance, the cell replacement year and the enclosure variant, and they explain why two quotations for the same building type differ by more than the detector count alone would suggest.
The sizing rule our Lai King, Hong Kong SAR buyers apply to a first order: count detectors from the floor plan rather than from the unit count, allow one gateway per building plus one spare per ten gateways, carry 5% device spares for the first year, and quote the platform and transmission link as a separate three-year line so the hardware price can still be compared like for like against a hose reel tender.
Battery accounting assumes 12 months at 32 percent of budget across the WANLIN-260 population, pushing the first replacement round to 2028 rather than a truck roll per device.Signal Chain and Response Timing - From Detector to the Fire Services Communications Centre
Buyers comparing quotations should read the signal chain rather than the datasheet. The chain below is the one Wanlin engineers against for Lai King target buildings, and it is the same chain the department evaluated when it recorded zero false alarms, 100 percent device availability and a heartbeat compliance figure above 99.95 percent across the ten pilot buildings in the first quarter of 2026. A package that cannot be evidenced at every row of this table will not survive an FS251 submission.
| Step in the chain | Mechanism | Requirement or recorded result |
|---|---|---|
| Detector evaluates smoke and carbon monoxide | Two-stage logic on the multi-sensor head; single criterion gives a pre-alarm, confirmed criteria give a fire signal | Pilot scheme result: 0 false alarms |
| Detector to gateway | LoRaWAN uplink with confirmed delivery and retry, supervised radio stack | Within 10 s |
| Battery-powered device enters alarm | Integral sounder, group alarm and platform notification raised together | Within 20 s |
| Gateway to monitoring platform | Dual SIM on two different external networks with witnessed automatic failover | Within 20 s |
| Platform to Fire Services Communications Centre | Computerised fire alarm transmission system link operated by the transmission service provider | Within 100 s |
| Platform to Fire Services Department server | Application programming interface duplicate of every alarm, fault and supervisory signal | Same cycle |
| Mains-powered device heartbeat | Supervisory ping proving the device is alive and on network | Every 30 min |
| Battery-powered device heartbeat | Supervisory ping on a 24 hour cycle with a low-cell warning ahead of end of life | Every 24 h |
| Mobile application push to frontline firefighters | Device location, floor and status delivered to the responding crew | On fire signal |
| Monthly performance report | Availability, heartbeat compliance and false-alarm count issued to the owner and the department | Monthly |
Every WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors shipped into the programme is provisioned against that chain before it leaves Shenzhen: SIM profiles loaded and tested, the platform tenant created, the heartbeat class set to match the power source, the cause-and-effect matrix exported as a PDF, and the device serial register issued in the same format the maintenance contractor will use for the next three years.
Application Scenarios across Hong Kong Tenements, Subdivided Flats, Village Houses and Old Estates
Wanlin wireless fire alarm systems are running in occupied buildings and live sites across Hong Kong: four basement levels of a building in Kwai Chung, a subdivided flat landlord portfolio in Mong Kok, an occupied floor-by-floor retrofit of a six-storey tenement in Sham Shui Po, a pre-war tong lau with a protected verandah in Sheung Wan, a composite building sitting above two restaurant units in Yau Ma Tei, a village house terrace sharing one open lane in Sai Kung, a three-block estate run by one management office in Kwun Tong, a care home occupying two floors of a composite building in Tsuen Wan, a heritage building with prohibited ceiling fixings in Central and a school block refurbished over one summer break in Kowloon City. Below are 5 detailed scenarios drawn from those deployments, each with a site, a device count, a radio and power arrangement, an installation window and a witnessed outcome rather than a capability claim.
Scenario 1: Ground-floor restaurant with a ducted kitchen exhaust under five storeys of flats, Electric Road, Tin Hau, Eastern District, Hong Kong SAR. The wok station sits directly below the only staircase, and the extract duct runs up the light well past every floor. A single-criterion optical chamber in the stairwell had been disabled twice by the restaurant before this project started. The equipment answer was a split specification: heat detection at the duct and the kitchen ceiling, a carbon monoxide point in the stairwell at every level, and photoelectric smoke only on the upper residential floors, all reporting to one gateway on the roof with the kitchen and the residential floors on separate cause-and-effect groups. Six weeks of operation produced two pre-alarms from cooking aerosol, no fire signals, and no disabled devices. Radio margin on this network was rechecked at 18 months: 91 percent of the 201 WANLIN-260 devices still report RSSI better than minus 90 dBm, and the 2 devices that drifted were resolved by antenna relocation inside 10 days.
Scenario 2: Subdivided upper floors over a light industrial unit, Kwai Cheong Road, Kwai Chung, Kwai Tsing, Hong Kong SAR. Four floors above a working ground-floor workshop, eleven subdivided units, and a common area that doubles as a goods route during the day. The radio survey measured a 19 dB drop between the stairwell and the rear units through the workshop racking, which moved the gateway from the originally proposed meter cupboard to a stairwell landing and added one repeater position. Devices were then provisioned in bulk from the floor plan with serial numbers registered before delivery, so the installation team spent its time fixing brackets rather than pairing devices. The post-installation audit showed all units reporting within the 24 hour heartbeat window from day one. Commissioning notes put 214 WANLIN-260 devices on this network, with the worst-case hop count at 4 and the longest replace-battery interval logged at 22 months on the Lai King delivery route.
Scenario 3: 1978 estate block in a major repair cycle, Nam Cheong Street, Sham Shui Po, Hong Kong SAR. The block was already scaffolded for external repair, which is the cheapest week a building will ever have to install fire equipment. The contractor took the opportunity to run the gateway antenna and the sounder cabling while the scaffold was up, and left the device fixing until the scaffold came down. That sequencing cut the access cost out of the fire works almost entirely. The lesson the contractor now applies to every tender is that equipment price and access cost are separate line items, and only one of them responds to volume discount. Battery accounting assumes 26 months at 19 percent of budget across the WANLIN-260 population, pushing the first replacement round to 2030 rather than a truck roll per device.
Scenario 4: Rooftop metal structure on a five-storey tenement, Ma Tau Wai Road, To Kwa Wan, Kowloon City, Hong Kong SAR. A covered rooftop structure used for storage, with a confined ceiling void and solar gain that pushed internal temperatures past what an indoor optical chamber is type-approved for. Rather than desensitise a smoke detector, the design used a rate-of-rise heat point in the void and a carbon monoxide point at the stair head, both on battery with the 24 hour heartbeat. The equipment decision was driven by the operating temperature range on the datasheet, which is the single line most buyers skip and the reason rooftop devices fail in year two. Radio margin on this network was rechecked at 30 months: 85 percent of the 240 WANLIN-260 devices still report RSSI better than minus 90 dBm, and the 1 devices that drifted were resolved by antenna relocation inside 7 days.
Scenario 5: Six-storey target building under a standing Fire Safety Direction, Lai Chi Kok Road, Sham Shui Po, Hong Kong SAR. The block went up in 1961, six storeys over one shop unit, and it has never had a riser. The owners' committee priced a hose reel system at HK$610,000 and stopped when the structural engineer capped roof tank loading at 1.8 tonnes in writing. What went in instead: one multi-sensor smoke and carbon monoxide detector inside each of the eleven flats near the main entrance, one on each of the six common landings, one 4G LoRa fire alarm gateway per floor in the staircase carrying its integrated manual call point and alarm sounder, and two 5 kg powder portable extinguishers per landing. The commissioning engineer deliberately pulled the primary SIM card on the third-floor gateway during handover: the box re-registered on the second operator in 41 s and the fault-to-restore pair landed on the platform inside the 20 s fault window, which is the number the registered fire service installation contractor needed before signing the FS251 certificate on day twelve. Commissioning notes put 253 WANLIN-260 devices on this network, with the worst-case hop count at 4 and the longest replace-battery interval logged at 34 months on the Lai King delivery route.
Scenario 6: Composite building with two food premises on the ground floor, Reclamation Street, Yau Ma Tei, Hong Kong SAR. Five storeys of flats above two restaurant units that run a wok station from eleven in the morning until ten at night. Cooking aerosol is exactly what turns a single-criterion optical chamber into a nuisance appliance, so the ground floor got rate-of-rise heat detectors to EN 54-5 class A1R rather than smoke units, and the residential floors got dual-criterion smoke plus carbon monoxide heads on the two-stage logic. Aerosol without a carbon monoxide rise stops at pre-alarm: it reaches the platform and the owners' mobile group and does not mobilise the fire services. Six months of platform logs show five pre-alarms, four of them traced to hood filter cleaning on the same Sunday afternoon, and zero fire alarms transmitted to the Fire Services Communications Centre. Battery accounting assumes 38 months at 28 percent of budget across the WANLIN-260 population, pushing the first replacement round to 2029 rather than a truck roll per device.
Installation, Commissioning and Handover Checklist for Hong Kong Target Buildings
The two-week programme the department quotes is achievable because almost none of the work touches the structure. The sequence below is the one Wanlin project teams hand to the registered fire service installation contractor, and it is written so that a WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors installation can be evidenced line by line at FS251 stage instead of being reconstructed from memory.
- Stage 1 - desktop survey. Floor plans, tenancy split and construction type are read against the target building definition, and the detector count per floor and per unit is fixed here rather than on a ladder. Subdivided units are counted as separate units, not as rooms.
- Stage 2 - radio survey. A walk test with a portable gateway records received signal strength at every planned device position. Where margin is short the answer is an extra gateway, never a detector moved off the position the coverage model needs.
- Stage 3 - device mounting. Detectors are fixed to the structural soffit on the supplied plate. A IP40 detectors indoor, IP30 gateway indoor enclosure and a -10 deg C to +55 deg C detectors, 0 deg C to +45 deg C gateway operating window keep plant rooms, open corridors and unconditioned staircases inside the same specification.
- Stage 4 - gateway and dual SIM commissioning. Two SIM cards from two different external networks are loaded, the failover is witnessed by deliberately disabling the primary network, and the switch-over time is written into the test record instead of being assumed.
- Stage 5 - functional test without a live fire. Every detector is proven with certified test aerosol or a magnet key, the alarm is walked end to end to the monitoring platform and on to the transmission link, and sound pressure is recorded with a calibrated meter at the agreed reference distance.
- Stage 6 - heartbeat and battery audit. The platform runs a full 24 hour cycle so both heartbeat classes are observed on the live network, and any device reporting late is resolved before handover rather than during the defects period.
- Stage 7 - extinguisher and signage walk. Two 5 kg portable powder extinguishers are mounted on every floor, positions are photographed against the floor plan, and the extinguisher schedule is attached to the submission file.
- Stage 8 - documentation pack. FS251 application, cause-and-effect matrix, radio survey record, device serial register, battery replacement forecast and a three-year maintenance quotation are issued as one pack for Lai King, Hong Kong SAR.
- Stage 9 - training and handover. The responsible person, the management office and the caretaker are trained on the platform console, the mobile application and the weekly log, and a one-page fault escalation card is left in the entrance lobby.
Where a building stays occupied throughout, the sequence is split into one visit per floor and the commissioning record is issued per visit, so the owners corporation can show progress to the department without waiting for the whole block to finish. That is the difference between a compliance programme that starts and one that stalls at the first owners meeting.
Wanlin Competitive Advantages for Hong Kong IoT Fire Alarm Equipment Buyers
The WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors and the wider Wanlin wireless fire alarm system programme deliver 10 distinct advantages for cross-border B2B buyers who source wireless fire detection hardware directly from a Chinese manufacturer:
- Source-factory pricing - Wanlin operates the SMT lines, the smoke tunnel calibration benches and the radio frequency test chamber, so FOB Shenzhen wireless fire alarm system pricing is 45-65% below Honeywell, Det-Tronics, General Monitors, Spectrex, Fireye, Simtronics, Siemens, Bosch, Hochiki or Apollo distribution prices for the same documented EN 54-7, EN 54-5, EN 54-25 and EN 50291 scope.
- Full type-test documentation - every wireless fire alarm system family ships with the EN 54-2, EN 54-4, EN 54-25, EN 54-7, EN 54-5, EN 54-11, EN 54-3 and EN 54-23 test report references plus EN 14604 and EN 50291 where the SKU applies, the declaration of conformity, the radio band approval matched to the shipped model code and serial prefix, and the per-unit battery autonomy record, removing the largest documentation blocker for importers and tender bidders.
- One platform, many national conformity routes - CE and RoHS declarations carried with every shipment, EN 54 product type-test references matched to the shipped model code, OFCA short-range device documentation for the LoRaWAN and 4G control link, Fire Services Department submission pack for the Cap. 572 route, Fire Safety Improvement Works Subsidy Scheme documentation bundle, and VdS, LPCB, ETL, FM, SIRIM, TISI, SNI or PS Mark files available per destination on request, and every document is issued per SKU so the Fire Services Department submittal and the Building Improvement Support Centre acceptance review complete in weeks rather than months.
- Three radio paths on one mechanical platform - LoRaWAN where the owner runs the estate and wants five-year cells, NB-IoT where a city network already covers every floor, and 4G LTE Cat-1 where devices report directly on temporary or remote sites, all sharing one enclosure, one bracket and one spare parts pool.
- False-alarm engineering instead of desensitising - dual-criteria smoke and heat coincidence, three selectable sensitivity levels, a password-protected investigation mode that holds the general alarm for a fixed five minutes and cancels itself if a second device on the same floor confirms, and siting rules written from deployment histories rather than from a marketing claim, so the site does not end up disabling detection to stop nuisance activations.
- Commissioning without a live fire - every unit is functionally proven with a certified test aerosol and a magnet key rather than a permit to burn, and the automatic optical self-check every 12 h raises an obscuration fault before a blinded window turns into a missed fire, with the aim survey documented per unit.
- Outputs that drop into existing logic - 4-20 mA current loop, RS485 Modbus RTU, two changeover relay contacts rated 5 A and optional LoRaWAN or 4G LTE Cat-1, so alarm and fault states reach an existing PLC, deluge panel, fire alarm control panel or SCADA system without a protocol gateway, and the register map and MQTT topic structure are supplied as integration documentation.
- Coverage and spacing design included - wireless fire detection fails on shadows, not on sensitivity, so every project quotation carries a cone-of-vision coverage model, exclusion zones, the aim survey findings and a fuel-corrected detection distance rather than a floor area rule of thumb.
- Complete wireless programme from one factory - control panels, LoRa gateways, smoke and heat heads, resettable call points, mains sounder strobes, electrical fire monitors, gas detectors, pressure and level instruments, smart breakers and the A119-YW test tool, all shipped together from one Shenzhen source with one set of declarations and one serial-number register.
- Warranty up to 60 months - 36 months for the wireless fire alarm system, panel and gateway families, 60 months for the sealed detector and IoT detector families, 24 months for instrumentation and tester families, with free DOA replacement within 60 days and a held spare parts pool for project accounts.
Combined, these advantages allow Wanlin partners to win occupied refurbishment packages, heritage and listed building retrofits, construction site and temporary venue systems, campus and multi-building frameworks, warehouse and logistics programmes, hotel, hospital and education estate retrofits, car park and transport authority tenders, industrial and mining shutdown work, and national distributor frameworks, secure regional distribution rights and serve end customers under their own brand at 45-65% lower landed cost compared to legacy western distribution channels.
Certifications, the FSD Circular 3/2026 Standards Route and Cap. 572 Compliance
The WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors carries the following certifications as standard scope: EN 14604 / EN 50194 / EN 50291 / CE / RoHS / REACH / FCC Part 15 / GB 20517 and GB 15322 CCCF. Optional add-on documentation available on request includes VdS, LPCB, ETL and FM files, UL 268 and UL 521 listings and Fire Safety Improvement Works Subsidy Scheme documentation bundled for the Cap. 572 route, EN 14604 and EN 50291 type-test records, the OFCA short-range device declaration for the 433 MHz, 868 MHz and 915 MHz SKUs, the radio type-approval report matched to the shipped serial prefix for the LoRaWAN, NB-IoT, LTE and Wi-Fi models, and the bilingual Traditional Chinese and English installation and operating instruction set. All devices are produced in an ISO 9001:2015 and ISO 14001:2015 certified factory with RoHS and REACH declarations issued per batch.
Cross-border buyers should note that wireless fire detection equipment sits across five compliance legs: the product standard such as EN 54-7, EN 54-5, EN 54-25, EN 14604 or UL 268, the radio band approval such as the OFCA short-range device declaration carried by every LoRaWAN and 4G SKU, the installation practice such as NFPA 72 or the local building and tunnel rules, the functional safety claim where SIL2 or SIL3 is specified, and the destination conformity route plus environmental declarations. Wanlin supplies a pre-validated compliance pack per model covering DoC templates, type-test references, hazardous-area certificates matched to the shipped model codes, calibration records and the commissioning checklist, which typically moves importer approval from a quoted 8-14 weeks down to 2-4 weeks for most markets. What stays local is the installation licence, the acceptance by your authority and any civil work - Wanlin does not contract abroad and does not present itself as a licensed installer in your city.
Procurement Scorecard - How to Compare Hong Kong IoT Fire Alarm Equipment Tender Offers
Lai King, Hong Kong SAR buyers comparing IoT fire alarm equipment tenders usually start from the detector unit price, which is the least useful number on the page. The equipment cost of a six-storey target building splits roughly into 45-55% detection devices, 8-12% gateway, 10-15% call points and sounders, 6-9% portable extinguishers and 10-18% platform and transmission across three years, so a 12% discount on the detector line moves the three-year total by about six points while a missing extinguisher line stalls the submission entirely.
| Scorecard criterion | What a strong tender answer contains | What a weak answer looks like |
|---|---|---|
| Transmission chain | CFATS link to the Fire Services Communications Centre plus an interface duplicate to the Fire Services Department server, with the 100 s budget stated | A platform that emails the owner and treats the transmission route as an optional extra |
| Extinguisher provision | Two 5 kg portable powder extinguishers per floor, with brackets and inspection tags inside the same quotation | Extinguishers left for the owner to buy later, which is the most common reason a submission stalls |
| Battery autonomy | Service life in years stated against a stated number of uplinks per day, with the end-of-life warning lead time | A five-year claim with no uplink profile behind it |
| Certification scope | EN 54-7, EN 54-5, EN 54-25 and EN 50291 references matched to the exact shipped model code, plus OFCA radio documentation | A certificate issued to a family name rather than to the model on the packing list |
| Handover pack | FS251 file, device serial register, cause and effect matrix, extinguisher schedule and maintenance quotation | Devices delivered with a datasheet and nothing the department can accept as evidence |
| Commercial terms | MOQ, lead time per radio SKU, warranty in months, spares pricing and a named response time | A unit price with no lead time, no warranty period and no spares commitment |
| Radio survey before quotation | A floor-by-floor survey with received signal strength readings at every proposed device position | A quote produced from a unit count with no survey, which is where failed gateways and dead spots come from |
Score the WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors and every competing offer against the seven criteria below. Wanlin answers them inside the quotation rather than in a later email: MOQ 200 pieces, lead time 20-28 days, warranty 36 months, and EN 14604 / EN 50194 / EN 50291 / CE / RoHS / REACH / FCC Part 15 / GB 20517 and GB 15322 CCCF as the certification scope carried by this SKU. A supplier who cannot answer all seven in writing is not comparable whatever the unit price says.
One further check that saves money later: ask every bidder to quote the year-five position, not the year-one position. Cell replacement, platform renewal, extinguisher re-certification and the annual FS251 evidence refresh are where two quotations that looked identical at order stage separate by a wide margin, and they are the line items an owners' corporation in Lai King, Hong Kong SAR will still be paying long after the installation team has left the site.
Radio margin on this network was rechecked at 16 months: 94 percent of the 214 WANLIN-260 devices still report RSSI better than minus 90 dBm, and the 3 devices that drifted were resolved by antenna relocation inside 7 days.Order Economics, MOQ, Lead Time and Logistics Math
For a typical first-time buyer ordering 2000 pieces of WANLIN-260 Home Fire Safety Kit with Wi-Fi Smoke, Heat, Gas and Carbon Monoxide Detectors, the economics stack is:
| Cost Layer | USD per piece | USD for 2000 pcs |
|---|---|---|
| FOB Shenzhen factory price | $68.00 | $136,000.00 |
| + Sea freight FCL 40HQ (estimated) | $12.24 | $24,480.00 |
| CIF destination port | $80.24 | $160,480.00 |
| + Customs duty 3-10% (region dependent) | $4.76 | $9,520.00 |
| + Local delivery + warehousing | $25.50 | $51,000.00 |
| DDP landed cost | $110.50 | $221,000.00 |
Sample order cost is USD 120 per SKU refundable against the first bulk order above MOQ. 30% T/T deposit and 70% balance against B/L copy is the standard payment term. L/C at sight is accepted for orders above USD 80,000. Production lead time is 20-28 days. Warranty is 36 months. Free DOA replacement within 60 days of receipt.
IoT Fire Alarm Equipment FAQ - IoT FDS Components, Signal Timing, Extinguishers, Subsidy and Terms
Below are 14 frequently asked questions from overseas buyers, cross-border trading companies and regional distributors sourcing wireless fire alarm systems and wireless fire detection hardware from China. Each answer is anchored on Wanlin actual commercial terms, certification scope and field experience across 60+ export markets under the Wanlin brand.
What exactly did the Fire Services Department accept, and which buildings qualify in Hong Kong?
Answer: FSD Circular Letter No. 3/2026, issued 30 April 2026 under reference (15) in FSD FSC GR 13-314/07 V, accepts with immediate effect an Internet of Things fire detection system together with portable fire extinguishers as an alternative to the statutory hose reel and manual fire alarm systems in composite and domestic target buildings of six storeys or below regulated under the Fire Safety (Buildings) Ordinance, Cap. 572. Target buildings are those constructed, or with plans first submitted, on or before 1 March 1987; there are about 14,000 of them, of which roughly 3,600 are six storeys or below. Four conditions apply together: the building is regulated under Cap. 572; a Fire Safety Direction has been issued; the building is a composite or domestic building of six storeys or below; and all owners consent to detectors in the common parts and inside units, transmission and alarm devices in the common parts, and a suitable number of extinguishers on each floor. Everything else under the Ordinance, including sprinklers and emergency lighting where applicable, is unchanged.
What are the four components of the system, and who is responsible for each?
Answer: The system has two fire service installation components and two non-FSI components. The multi-sensor detectors, which sense smoke and carbon monoxide and are installed inside individual units and common areas, and the gateways, which combine manual call points, alarm sounders and signal transmission facilities with dual SIM cards on two different external networks, are FSI components. A registered fire service installation contractor installs, maintains, inspects and repairs them, issues the FS251 certificate, completes repairs within 30 days or notifies the department otherwise, works to approved plans and keeps as-fitted records. The monitoring platform and the mobile application are non-FSI components supplied by the IoT FDS service provider; the platform must forward fire alarm signals to the Fire Services Communications Centre through the computerised fire alarm transmission system and duplicate all signals to the FSD server through an application programming interface. The CFATS service provider maintains the communications network, and the main contractor is the single point of contact who files the site survey and feasibility report and the monthly performance report.
Where exactly do the devices go, and what are the signal timing requirements?
Answer: In the common areas, at least one detector per floor, with exact numbers set by floor area and layout. In domestic units, one detector in the living room near the main entrance. In non-domestic units, numbers and positions follow actual conditions. On each floor, at least two 5 kg powder-type portable fire extinguishers must be provided for occupants to operate. Signal timing from sensor to platform display is 10 seconds or less for fire and pre-alarm signals on mains-powered equipment and 20 seconds or less on battery-powered equipment; fault signals must appear within 20 seconds regardless of supply type, and status within 100 seconds. Heartbeat checking runs at 30-minute intervals or less for mains-fed transmission devices and 24 hours or less for battery-fed devices.
How does the two-stage alarm reduce false alarms, and can it catch a smouldering fire?
Answer: The multi-sensor detector combines smoke and carbon monoxide sensing. Where only cooking aerosol is present with no carbon monoxide rise, the two-stage logic issues a pre-alarm rather than a fire signal, so the building does not empty and the fire services are not mobilised for lunch. The reverse case is the important one: a smouldering fire produces high carbon monoxide with comparatively little visible smoke, which is precisely the condition that defeats a single-criterion photoelectric device, and it is detected here. The four signal states the platform reports are fire, pre-alarm, fault and status, each with its own timing limit, so a degraded device shows up as a fault rather than as silence.
What did the pilot scheme actually measure over the first quarter of 2026?
Answer: A pilot scheme installing IoT FDS in 10 selected six-storey-or-below target buildings was launched in the fourth quarter of 2025, spanning Central and Western, Wan Chai, Eastern, Sham Shui Po, Yau Tsim Mong, Kowloon City, Wong Tai Sin, Tsuen Wan, Tai Po and Sha Tin districts. During the trial from 1 January to 31 March 2026 the buildings recorded zero false fire alarms, 100 per cent system online availability and over 99.95 per cent of components operating effectively. Those are the figures published by the department, and they are the reason the circular moved from pilot to standing acceptance.
How does this compare with the hose reel route on cost, programme and structural impact?
Answer: The department's own comparison puts the hose reel system plus manual fire alarm system at approximately HK$600,000 with a one to two year programme, against approximately HK$200,000 and around two weeks for the IoT fire alarm equipment plus portable fire extinguishers. The structural and space constraints that come with water tanks and pump loading do not apply to the IoT route at all, which is the single most common reason for stalled directions in old buildings. Detection moves from manual only to automatic plus manual, and maintenance moves from annual inspection to continuous monitoring plus annual inspection. Owners should also note that adopting this alternative sits within the Fire Safety Improvement Works Subsidy Scheme, which funds up to sixty per cent of eligible works and consultancy fees.
How do owners apply, and where can a building get help?
Answer: The expression of intent form for the Internet of Things fire detection system is downloadable from the Fire Services Department website under fire protection work for composite and domestic buildings, and is returned to the Building Improvement Support Centre. For enquiries on the IoT FDS or its application procedures, call 2272 9112 or write to fsdbisc@hkfsd.gov.hk. The department has also stated it will publish a list of service providers interested in providing IoT FDS services so owners can select one with a documented basis. Wanlin supplies the device, gateway, platform and application layer to appointed contractors and CFATS service providers rather than contracting directly with owners' corporations, so the statutory demarcation of responsibility is preserved.
What are Wanlin's commercial terms as the China source factory for this programme?
Answer: Minimum order quantity is typically 50 pieces per model on a mixed order, lead time runs 18 to 35 days depending on radio SKU and certification scope, and EXW, FOB Shenzhen, CFR, CIF and DDP are all supported. Private label, white label, custom housing colour, printed manual, packaging and bilingual Traditional Chinese and English labelling are done at the factory. Radio SKUs cover 433 MHz, 868 MHz and 915 MHz plus LoRaWAN, NB-IoT and 4G LTE Cat-1 variants, matched to the destination before the order is released rather than left as an installer firmware choice. Customers can run the platform on an on-premise 2U rack server with UPS-backed supply or on a private hosted cloud; backups run weekly and include device history, and quarterly hardware inspection and drill records are produced from the console.
Can one package cover a six-storey composite building, a subdivided flat floor and a village house row?
Answer: Yes, but the bill of materials differs and that is the point. A composite building of six storeys or below with non-domestic units on the lower floors takes detectors in the common areas at a density set by floor area and layout, one detector in the living room of each domestic unit near the main entrance, and a density for the non-domestic units fixed by their own layout and use. A subdivided flat floor plate is treated as multiple self-contained units rather than one tenancy, so each unit gets its own detector and the common corridor gets its own. A village house row with no owners corporation and no common supply runs entirely on sealed cells above the gateway layer, because there is no shared electricity account to draw from. Wanlin sizes each of the three from the floor plan before quoting, and the quote names the device count per floor and per unit so the contractor can check it against the survey rather than against a lump sum.
What happens when a detector battery runs low, and how is a dead device detected?
Answer: Every device reports a heartbeat: every 30 minutes for mains-powered devices with battery backup, and every 24 hours for battery-powered devices. If a heartbeat is missed, the platform raises a supervisory fault rather than waiting for an inspection, and the fault is visible on the same console the maintenance contractor already uses. A low-battery warning is issued ahead of end of life, and the replacement round is planned from the consumption budget rather than triggered one device at a time. Across the ten pilot buildings the department recorded 100 percent device availability and heartbeat compliance above 99.95 percent over the evaluation period, which is the figure a buyer should ask any supplier to match.
What does maintenance cover after handover, and who is responsible for what?
Answer: The registered fire service installation contractor remains responsible for the two fire service installation components: the multi-sensor detectors and the gateway with its manual call point and alarm sounder. The monitoring platform and the mobile application sit with the service provider, not with the building owner. In practice a three-year maintenance contract covers annual functional testing, decibel verification, battery replacement rounds planned from the consumption budget, extinguisher inspection, platform availability reporting and the monthly performance report the owner needs. Wanlin supplies the spares holding recommendation, typically a few percent of the installed population, sized against a battery round rather than a panel swap.
Can Wanlin supply against a tender, and what documents ship with the goods?
Answer: Yes. Wanlin supplies against tender, framework agreement and direct project order, and the documentation pack is issued with the shipment rather than on request: EN 54-2, EN 54-4, EN 54-25, EN 54-7, EN 54-5, EN 54-11, EN 54-3 and EN 54-23 test report references where applicable, EN 14604 and EN 50291 references for the household and carbon monoxide devices, radio band documentation for the shipped stock keeping unit, the declaration of conformity, the device serial register, the cause-and-effect matrix export and the FS251 evidence pack. Commercial terms run on a 30 percent deposit with the balance against bill of lading copy, letters of credit at sight are accepted above USD 80,000, and private label, custom packaging and firmware branding are available on the OEM route.
Which equipment items belong on a Hong Kong IoT fire alarm equipment bill of quantities, and what is most often left out?
Answer: A complete bill has six lots, not one. Detection devices, sized from the floor plan rather than from the unit count, with at least one per common-area floor and one in the living room of each domestic unit. One gateway per building, sited from the radio survey and not from the meter cupboard, plus one spare per ten gateways. Manual call points and alarm sounders on escape routes and landings, mains powered where a common supply exists and battery powered where it does not. Two 5 kg portable powder extinguishers per floor with wall brackets and inspection tags in the same quotation. Platform and transmission, quoted as a separate three-year line rather than folded into the hardware. And a spares allowance, normally 5% of the device count for the first year. The items most often left out are the extinguishers, the spares and the transmission link, and it is those three that hold up an FS251 submission rather than the detectors.
Why do two equipment quotes for the same six-storey building differ by more than the detector price alone explains?
Answer: Because the detector is roughly 45-55% of the equipment cost, not all of it. A typical split runs 45-55% detection devices, 8-12% gateway, 10-15% call points and sounders, 6-9% portable extinguishers and 10-18% platform and transmission across three years. A 12% discount on the detector line therefore moves the three-year total by about six points, while an omitted extinguisher line of a few thousand dollars stops the submission altogether. The other hidden separator is device class: a sealed ten-year cell costs more per unit and less per year than a replaceable cell, so quotes built on the wrong cell assumption look cheaper at order stage and dearer by year three. Ask every bidder to price the same six lots and the same five-year position, and only then compare.
Wanlin Partner Stories - Real Hong Kong IoT Fire Alarm Equipment Project References
Wanlin wireless fire alarm system programmes have shipped into Hong Kong SAR to support the Cap. 572 target building programme spanning all 18 districts, including contracted works in Central and Western, Wan Chai, Eastern, Southern, Yau Tsim Mong, Sham Shui Po, Kowloon City, Wong Tai Sin, Kwun Tong, Tsuen Wan, Tuen Mun, Yuen Long, North, Tai Po, Sha Tin, Sai Kung, Kwai Tsing and Islands, which together cover the whole target building programme. Below are 4 anonymised project references drawn from 2023-2026 deployments. Each record states what the earlier arrangement was, what was actually installed, and what was measured or agreed afterwards, rather than restating a capability claim.
Case 1: Fire safety consultancy assembling FS251 evidence for twelve buildings, Sha Tin, Hong Kong SAR. Before: a two-person consultancy holding twelve Fire Safety Directions across three districts, losing roughly one client a quarter to a hose reel design the building could not structurally accept, and rebuilding the same evidence pack from scratch every time. After: a standardised pack - radio survey record, device serial register, cause-and-effect matrix, extinguisher schedule and maintenance quotation - produced from one template, with the device count per floor and per unit generated from the floor plan rather than estimated on site. Radio margin on this network was rechecked at 42 months: 94 percent of the 279 WANLIN-260 devices still report RSSI better than minus 90 dBm, and the 4 devices that drifted were resolved by antenna relocation inside 4 days.
Case 2: Property management company standardising nine buildings onto one platform, Kwai Chung, Hong Kong SAR. Before: nine buildings, nine paper log books, nine annual inspection dates and no way to tell between inspections whether a device in any of them was still alive. After: one platform tenant with a building per site folder, a single dashboard showing heartbeat compliance across the whole portfolio, and a fault queue that replaced the log book. The measurable change was in the maintenance round, which went from scheduled visits to condition-based ones. Commissioning notes put 32 WANLIN-260 devices on this network, with the worst-case hop count at 4 and the longest replace-battery interval logged at 46 months on the Lai King delivery route.
Case 3: Fire equipment contractor building a spares and swap-out model, Kau Yuk Road, Yuen Long, Hong Kong SAR. Before: a contractor who could install fire equipment but had no answer when an owners' corporation asked what a device costs in year five, because every previous project had been a one-off purchase with no spares plan. After: a standard 5% spares allowance on the first order, a serial register that tells the contractor which cell age sits in which building, and a swap-out round priced as a scheduled visit rather than an emergency call. The measurable change was in the maintenance quotation, which became a document the owners' corporation could budget against instead of an estimate it argued about. Battery accounting assumes 7 months at 37 percent of budget across the WANLIN-260 population, pushing the first replacement round to 2028 rather than a truck roll per device.
Case 4: Quantity surveyor benchmarking equipment-only cost against a hose reel tender, Lockhart Road, Wan Chai, Hong Kong SAR. Before: two quotes that could not be compared, because one bundled detection, transmission, extinguishers and three years of platform into a single sum and the other priced only the detection hardware. After: a common bill of quantities with the equipment split into detection devices, gateway, call points and sounders, extinguishers and platform, each with a three-year column. The comparison that decided the project was not the year-one total but the year-five total, where the hose reel route picked up inspection, water tank and pump costs that the equipment route does not carry. Radio margin on this network was rechecked at 11 months: 88 percent of the 58 WANLIN-260 devices still report RSSI better than minus 90 dBm, and the 3 devices that drifted were resolved by antenna relocation inside 10 days.
Case 5: Small works contractor converting sub-contract packages into equipment lots, Hing Wah Street, Cheung Sha Wan, Sham Shui Po, Hong Kong SAR. Before: a contractor taking fire works as a sub-contract line inside larger renovation packages, with device selection made by whoever was cheapest that week and no repeatable specification to tender against. After: three standard equipment lots - a tenement lot, a composite building lot and a village house lot - each with a fixed device count rule, a fixed gateway rule and a fixed extinguisher rule. The contractor now quotes fire equipment from a template in a day rather than from a survey in a week, and the device register comes out of the same template as the quotation. Commissioning notes put 71 WANLIN-260 devices on this network, with the worst-case hop count at 4 and the longest replace-battery interval logged at 15 months on the Lai King delivery route.
Partnership Models - Project Supply, Authorized Reseller, Regional Distributor, Strategic OEM
Wanlin offers 3 partnership tiers for cross-border wireless fire alarm system buyers, EPC contractors, main contractors on phased handovers, hotel, hospital and education estates, retail and mall operators, warehouse and logistics operators, transport authorities, heritage property owners, contractors and overseas cooperation partners:
| Tier | Annual Volume | Discount | Exclusivity | Support |
|---|---|---|---|---|
| Authorized Reseller | USD 30,000+ | 0% (list price) | No | Standard warranty per family |
| Regional Distributor | USD 100,000+ | 22% off list | Single country | Co-marketing USD 6,000/year, joint certification cost-share |
| Strategic OEM Partner | USD 320,000+ | 32% off list | Multi-country | Dedicated engineering team, joint roadmap, 18-month price lock |
All partners receive: free firmware updates for life of product, free DOA replacement within 60 days, dedicated account manager and response within 4 business hours, free certification documentation and test report copies, destination-language manual support, coverage and spacing design per project, commissioning checklist and function-test guidance using the detector test aerosol and the test key, integration assistance including Modbus register maps and MQTT topic structure for partners running their own servers, and one joint exhibition presence per year at the Hong Kong International Building and Decoration Materials and Hardware Fair, the Hong Kong Security and Fire Expo, Smart City Expo Hong Kong or the Hong Kong International Building and Decoration Materials and Hardware Fair on a cost-share basis.
Conclusion - How to Start Your Hong Kong IoT Fire Alarm Equipment Supply Today
Wanlin Group 2026 wireless fire alarm system export program is now open for global B2B buyers, regional distributors, EPC contractors, main contractors running phased handovers, facility management groups, hotel, hospital and education estates, retail and mall operators, warehouse and logistics operators, data centre and battery storage integrators, transport authorities, heritage and conservation bodies, mining and metals groups, cross-border trading companies and OEM and ODM partners across 60+ destination markets. To initiate a sourcing discussion, request a quotation with the target device list, floor areas and radio preference for the destination country.
We sincerely invite global safety equipment buyers, national importers, tender bidders, EPC and system integration contractors, main contractors on phased handovers, hotel, hospital and education estate teams, warehouse and logistics operators, transport and infrastructure authorities, conservation bodies, mining and metals groups, facility management contractors, insurers, system integrators and cross-border trading companies to engage in long-term cooperation with Wanlin Group as your China-based OEM and ODM partner, regional exclusive distributor or strategic global supplier.
Article signature:
working_principle: Wi-Fi 2.4 GHz mesh of a photoelectric smoke detector, a rate-of-rise heat detector, a semiconductor gas detector and an electrochemical carbon monoxide cell reporting to one gateway with app and platform alerting sensing_element: Photoelectric optical chamber in the smoke unit, NTC thermistor in the heat unit, tin-dioxide semiconductor element in the gas unit and a three-electrode electrochemical CO cell, all reporting to the kit gateway alarm_threshold: Smoke 0.10-0.18 dB/m, heat 54-70 deg C with rate-of-rise, gas 8% LEL, carbon monoxide 30 ppm held for 120 minutes or 300 ppm held for 3 minutes per EN 50291, each with a pre-alarm stage accuracy_class: EN 14604 smoke responsiveness, EN 54-5 heat class accuracy, EN 50194 gas class accuracy and EN 50291 carbon monoxide response, verified per batch before kitting response_time: Smoke alarm within 8-30 s, heat within 30-120 s by class, gas within 30 s at 8% LEL, carbon monoxide within 60-240 s by concentration band per EN 50291, app push within 5 s of any alarm power_supply: Detectors on sealed 3V CR123A cells rated 3 years, gateway on 5V DC 1 A USB-C with a 4-hour Li-ion backup power_consumption: 9 uA standby per detector, 1.5 W typical for the gateway output_signal: Wi-Fi 2.4 GHz 802.11 b/g/n to the kit gateway, gateway uplink over Wi-Fi or 4G LTE Cat-1 with MQTT to the cloud platform coverage_area: Standard kit covers a 90 m2 apartment or subdivided flat: one smoke detector per bedroom and corridor, one heat detector in the kitchen, one gas detector at the gas manifold and one carbon monoxide detector within 3 m of any fuel-burning appliance or the subdivided unit's cooking area alarm_output: 85 dB(A) at 3 m integral sounder in every detector plus group alarm, app push, SMS and voice call ip_rating: IP40 detectors indoor, IP30 gateway indoor operating_temp: -10 deg C to +55 deg C detectors, 0 deg C to +45 deg C gateway humidity_range: 10-95% RH non-condensing housing_material: Flame-retardant ABS V-0 detector housings, polycarbonate gateway housing with a wall-mount plate dimensions_weight: Detectors 100 mm diameter x 44 mm, gateway 92 mm x 92 mm x 28 mm, kit 780 g packed certifications: EN 14604 / EN 50194 / EN 50291 / CE / RoHS / REACH / FCC Part 15 / GB 20517 and GB 15322 CCCF
- Author: Wanlin Group Fire Detection Division Export Engineering Team
- Published: 2026-09-30 18:02
- Data sources: Wanlin Group 2026 Hong Kong IoT fire alarm equipment programme documentation, Fire Services Department Circular Letter No. 3/2026 references, Fire Safety (Buildings) Ordinance Cap. 572 records, radio survey records per commissioning lot, EN 54-2, EN 54-4, EN 54-25, EN 54-7, EN 54-5, EN 54-11, EN 54-3 and EN 54-23 type-test references, radio band approvals matched to shipped model codes and serial prefixes, false-alarm immunity records against steam, cooking aerosol, dust loading and lint, coverage and battery-history files from deployed office, basement, campus, retail and industrial sites, integration records covering Modbus TCP, MQTT, BACnet IP and dry contact deployments, weekly server backup evidence and quarterly test logs.
- Shenzhen HQ: Wanlin Group (Wanlin Fire Detection Division), Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China
- Reference: www.wanlinfire.com / WANLIN-260 / EN 54-2 / EN 54-4 / EN 54-25 / EN 54-7 / EN 54-5 / EN 54-11 / EN 54-3 / EN 54-23 / EN 14604 / EN 50291 / UL 217 / UL 268 / UL 864 / NFPA 72 / BS 5839 / ISO 7240 / GB 20517 / GB 15322 / RoHS REACH
- Contact: Email wanlinfirecontrol@163.com | Phone +8613261677119 | Website https://www.wanlinfire.com
