nb-iot

heat detector for library direct from Wanlin Fire Protection — 12-year factory experience, WL-HD903 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Fixed Temperature Sensor + NB-IoT Low-Power Module, 5-year replaceable battery (2x AA lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+···

CO detector for IECEx direct from Wanlin Fire Protection — 12-year factory experience, WL-CO803 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Electrochemical CO Sensor + NB-IoT Low-Power Module, 5-year replaceable battery (2x AA lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ ···

CO detector for public education direct from Wanlin Fire Protection — 12-year factory experience, WL-CO803 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Electrochemical CO Sensor + NB-IoT Low-Power Module, 5-year replaceable battery (2x AA lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. S···

NB-IoT smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM603 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: 4G LTE + RF 433MHz Mesh wireless, 10s alert push via APP/SMS/call, 3-year CR123A lithium battery, CE/EN14604/FCC certified. MOQ 200pcs, 20-25 working days, OEM/ODM custom branding available. Serving 60+ countries ···

complete smoke alarm system direct from Wanlin Fire Protection — 12-year factory experience, WL-SM601 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + NB-IoT wireless, 10s alert push via APP/SMS/call, 10-year sealed lithium battery, CE/EN14604/FCC certified. MOQ 200pcs, 20-25 working days, OEM/ODM custom branding available. Serving 60+ co···

smart fire protection system direct from Wanlin Fire Protection — 12-year factory experience, WL-SM602 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: NB-IoT (B1/B3/B5/B8/B20/B28) wireless, 10s alert push via APP/SMS/call, 10-year sealed lithium battery, CE/EN14604/FCC certified. MOQ 200pcs, 20-25 working days, OEM/ODM custom branding available. Servin···

4G gas alarm manufacturer recommended direct from Wanlin Fire Protection — 12-year factory experience, WL-GA202 fully certified CE/EN54/FCC/RoHS. Key specs: NB-IoT + WiFi Dual Mode, Ultra-low power NB-IoT with 5-year battery life for standalone deployment. MOQ 100 sets, 20-25 working days, OEM/ODM custom branding available. Serving 60+ countries across South···

Kitchen Sensitivity Level Adjustment direct from Wanlin Fire Protection — 12-year factory experience, WL-SG502 fully certified CE/EN54/FCC/RoHS. Key specs: NB-I

4-20Ma Water Level Sensor direct from Wanlin Fire Protection — 12-year factory experience, 4G Industrial Liquid Level Monitoring System (WL-LT800) certified CE/ATEX/FCC/RoHS/SIL3/ISO9001. Key specs: 4G Cat.4/NB-IoT dual-mode wireless, SCADA integration, Modbus RTU/TCP, 32-point monitoring, cloud dashboard, 0-100m range. MOQ 200pcs, OEM/ODM available.

Odm Level Sensor Customization direct from Wanlin Fire Protection — 12-year factory experience, 4G Industrial Liquid Level Monitoring System (WL-LT800) certified CE/ATEX/FCC/RoHS/SIL3/ISO9001. Key specs: 4G Cat.4/NB-IoT dual-mode wireless, SCADA integration, Modbus RTU/TCP, 32-point monitoring, cloud dashboard, 0-100m range. MOQ 200pcs, OEM/ODM available.