TRM250 is an Industrial Cellular modem with multiple LPWAN connectivity options. It features NB-IoT, LTE Cat-M1 and is backwards compatible with EGPRS (2G). It offers an extremely long lifecycle and is the most flexible option when upgrading the connectivity of existing industrial equipment. TRM250 is equipped with a USB interface, a rugged aluminium housing and is designed for large scale IIoT deployments. Learn more on wiki page


LTE Cat M1 / Cat NB1 / EGPRS Communication


Rugged aluminium housing


Device is accessible and configurable via USB


Low power consumption


Compact size, easy integration


External antenna for better signal coverage

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Features icon Features
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The Industrial Cellular Modem TRM250 is a rugged, compact and extremely versatile connectivity device is able to provide cellular capabilities to equipment across IoT and Industrial IoT applications. This futureproof product features both NB-IoT and LTE Cat-M1 LPWAN communication options and is backwards compatible with 2G. This means that you can upgrade your existing infrastructure with a cost-efficient and reliable connectivity device which will adapt to the changing telecommunications environment and will enable you to use the best cellular M2M technologies for many years to come. Easy to deploy, easy to use and even easier to maintain, TRM250 comes with a USB interface for power & communication, drivers supporting all relevant platforms and one SMA connector for an external antenna to obtain better signal coverage.


MobileLTE (Cat-M1) / NB-IoT / EGPRS
SIM slotMini SIM (2FF)
Antenna connector1 x SMA
Operating Voltage5V - powered via microUSB
Power consumption3.6 W Max
Configuration interfacemicroUSB
LED indicatorsPower and Network status LEDs
Operating temperature-40 °C to 75 °C
Operating humidity10 % to 90 % non-condensing
Casing materialAluminium housing
Ingress Protection RatingIP30
Dimensions74,5 x 64,5 x 25mm
Weight130 g
Management softwareWindows Connection Manager (NDIS driver)
USB Serial DriverWindows 7/8/8.1/10,
Linux 2.6/3.x/4.1~4.14,
Android 4.x/5.x/6.x/7.x/8.x
RIL DriverAndroid 4.x/5.x/6.x/7.x/8.x
NDIS DriverWindows 7/8/8.1/10
Gobinet DriverLinux 2.6/3.x/4.1~4.14
Linux qmi wwan Driver3.x (3.4 and later)/4.1~4.14
Management interfaceAT Commands (3GPP TS27.007, 3GPP TS27.005)
Hayes AT Command set
Enhanced AT Commands


Where to buy



      Videos describing the product and its features.