TRM250 First Start

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This Wiki page contains the online version of the Quick Start Guide (QSG) for the TRM250 LTE modem. Here you will find an overview of the various components found on the front and back sides of a TRM250 device, basic hardware installation, first login information, device specifications and general safety information. It is highly recommended that you acquaint yourself with the Quick Start Guide before using the device. If you own a TRM250 device, you can also find a printed version of the Quick Start Guide in the device's package.


Front view

No. Description
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1 Power LED
2 Network LED
3 USB connector


Back view

No. Description
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1 Mobile antenna connector

TRM driver install on Windows

Watch the instructional GIF below to learn how to install TRM driver.

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Safety information

TRM250 modem must be used in compliance with any and all applicable national and international laws and with any special restrictions regulating the utilixation of the communication module in prescribed applications and environments.

Radio specifications
RF technologies EGPRS, NB-IoT, LTE (Cat-M1)
Max. RF power 33 dBm@GSM, 24 dBm@WCDMA, 23 dBm@LTE
Bundled accessories specifications*
GSM/LTE antenna 698~960/1710~2690 MHz, 50 Ω, VSWR<3, gain** 3 dBi, omnidirectional, SMA male connector

* Order code dependent.

** Higher gain antenna can be connected to compensate for cable attenuation when a cable is used. The user is responsible for the compliance with the legal regulations.

Qsg rut950 manual.PNG This sign on the package means that is necessary to read the User's Manual before you start using the device

Qsg rut950 recycle.PNG This sign on the package means that all used electronic and electric equipment should not be mixed with general household waste