<b>TRM</b> is a series of industrial cellular modems that can provide cellular connectivity options ranging from 2G (EGPRS) to 4G LTE Cat 1, LTE Cat-M1 and NB-IoT. | <b>TRM</b> is a series of industrial cellular modems that can provide cellular connectivity options ranging from 2G (EGPRS) to 4G LTE Cat 1, LTE Cat-M1 and NB-IoT. |