Wanlin Fire - China source manufacturer for LoRaWAN fire alarm Thailand. Featured model WL-TH-PNL (Fire Alarm Control Panel): Conventional panel, 8 zones x 25 detectors; Zone threshold programmable 3-15 mA per zone; 4 sounder circuits 24V 1.5A each + fire + fault relays; 0 to +50 deg C, 10-93% RH. Full lineup: smoke and heat detectors, CO and gas detectors, ···
gas and smoke detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-GA201 (NB-IoT Smart Gas Detector) certified UL/CE/EN54. Electrochemical/Semiconductor + NB-IoT + Cloud + Valve Control + 5-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.