Protocols
SMS, GPRS UDP,TCP, Modbus RTU over TCP, Modbus TCP, MQTT
Power Consumption
Standby:12V/70mA; Working Max.: 12V/300mA
Cellular Frequency
850/900/1800/1900Mhz or 3G or 4G or NB-IoT
DC Power supply
Standard adapter: DC 12V/1.5A Range 9-36VDC
Alarm Numbers
3 SMS Alert phone numbers,5 auto-dial phone numbers
Temperature range
-10-+70 °C
Humidity range
Relative humidity 95% (condensation free)
Backup Battery
3.7V 1200mAH
Relay Output
2, Dry Contact, 240VAC@3A