The TRB255 is a 4G/LTE (Cat M1), NB-IoT and 2G dual SIM gateway with an Ethernet interface, an RS232 port, a 2 and 4-wire RS485 port, 3 configurable digital inputs/outputs and 1 analog input. It also incorporates a GNSS module that, by connecting a GNSS antenna, allows the device to be geolocated or obtain a precise time reference. It is delivered in a metal enclosure with external 220Vac feeder and LTE antenna.
Read our article on the TRB2 gateway family
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