NB IoT wireless smoke detector

China NB-IoT Wireless Smoke Detector manufacturer and export supplier for Poland market. Wanlin Fire Protection provides CE/EN54/UL certified smart smoke, CO, and gas detectors with 4G/NB-IoT/LoRa connectivity. Factory direct pricing, OEM/ODM customization, global DDP shipping. Inquire: wanlinfirecontrol@163.com

industrial smoke detector 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+ cou···