NB IoT communication

hospital smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP600 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Fixed Temperature + Rate-of-Rise Heat Sensing + LoRaWAN Long Range + Ultra-Low Power + Dual Communication, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + 4G Cat.1 Back···

China smoke detector manufacturer direct from Wanlin Fire Protection — 12-year factory experience, WL-SF100 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Photoelectric Detection + 4G/NB-IoT Dual Communication + AI False Alarm Filtering, 4G/NB-IoT + Cloud Platform + SMS/Push/Email Alert + APP Control. IoT cloud···

China smoke detector manufacturer direct from Wanlin Fire Protection — 12-year factory experience, WL-SF100 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Photoelectric Detection + 4G/NB-IoT Dual Communication + AI False Alarm Filtering, 4G/NB-IoT + Cloud Platform + SMS/Push/Email Alert + APP Control. IoT cloud···