TRB255 can be used to integrate modern and legacy industrial equipment into one solution via RS232, RS485 & Ethernet interfaces. Connectivity: 4G/LTE (Cat M1), NB-IoT, 2G Dual SIM with auto failover, backup WAN and other switching scenarios Serial Ports: RS232/RS485 serial communication interfaces  9-30V Wide range of supported power supply voltages I/O Multiple Inputs and Outputs for remote monitoring and control GNSS Global Navigation Satellite System for location services with geofencing functionality