.4G 4 Channel Remote Switch Controller APP WEB SMS Relay Control Box For
Usage: Relay Switch. 4G Frequency (LTE FDD): B1 B3 B5 B7 B8 B20. Antenna Interface: Standard SMA Interface. Power Consumption: Standby 12V 50mA, Maximum 12V 200mA. Temperature and Humidity Interface: 2 Sensor Ports.