Features

Supports three communication modes: wired network, 4G, and LoRa;
Supports network communication functions;
Supports collection and upload of equipment ambient temperature and humidity;
Supports collection and upload of power supply voltage;
Supports phone/SMS broadcast (supports setting of up to 300 characters and broadcast times; does not support speech rate and language setting);
Supports platform text-to-speech broadcast;
Supports acquisition of latitude and longitude positioning information, and uploads it to the platform via 4G network;
Supports acquisition and reporting of equipment 4G and LoRa signal strength information;
Supports OTA remote management and upgrade;
Supports pre-set MP3 audio files for alarm announcement;
Supports reporting of sensor connection status information and threshold-linked alarm;
1×RS485 interface, 1×RS232 interface for printing and debugging;
1×short-circuit input, 1×short-circuit output; 1×tri-color indicator light;
Dual horn speaker for sound amplification.