4G NB IoT fire alarm ODM

• manual call point, 4G Smart Combustible Gas Alarm, WL-GA200,··· manual call point, 4G ··· 2026-07-22
• LoRa smoke detector, 4G Fire IoT Gateway & Cloud Platform, W··· LoRa smoke detector, 4··· 2026-07-22
• dual sensor smoke detector, 4G Smart Carbon Monoxide Alarm, ··· dual sensor smoke dete··· 2026-07-22