R313MA - Netvox LoRaWan Wireless Emergency Button- Outside Antenna Li-SOCl2 battery R831D is designed to control

R313MA - Netvox LoRaWan Wireless Emergency Button- Outside Antenna Li-SOCl2 battery R831D is designed to controlNETVOX LoRaWan Wireless Emergency Button, R313MA is a wireless emergency button that detects after pressing the emergency button and sends an alarm message to the gateway. It uses the SX1276 wireless communication module. Using outside antenna, the RF performance is slight better than internal antenna. Example Applications The device could be used as a personal alarm system, as well as fire alarm etc. When the emergency button is pressed, the IO port

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