Teltonika TRM250 Rugged NB-IoT LTE cellular modem, LPWAN

  • Rugged CAT M1 LTE cellular modem
  • Multiple LPWAN connectivity options

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Teltonika TRM250 LTE/NB-IoT/EGPRS 4G USB Modem

The Teltonika TRM250 4G LTE/NB-IoT/EGPRS Modem is an Industrial Cellular modem with multiple LPWAN connectivity options. It features NB-IoT, LTE Cat-M1 and is backwards compatible to EGPRS (2G). It offers extremely long lifecycle and is the most flexible option when upgrading connectivity of existing industrial equipment. The TRM250 is equipped with a USB interface and rugged aluminium housing, and is designed for large scale IoT deployments.

  • 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.
  • Cost efficient.
  • Easy to deploy and use.

Add remote access and management with Teltonika Networks Remote Management System (RMS).

RMS is an all-in-one user-friendly IoT platform providing a smart way to stay on top of your whole connected solution completely remotely, securely, and reliably.

It is a powerful solution for remote access and management allowing users to save time and operational costs while being flexible and easy to use. With RMS you can manage compatible Teltonika Networks routers and gateways, reach remote devices, utilize the power of remote desktop access and configure secure VPN tunnels with just a few clicks.

Try it for free -



LTE (Cat-M1) / NB-IoT / EGPRS
SIM slot

Mini SIM (2FF)
Antenna connector

1 x SMA (Female)
Operating Voltage

5V - powered via microUSB
Configuration interface

LED indicators

Power and Network status LEDs
Operating temperature

-40ºC to 75ºC
Operating humidity

10% to 90%, non-condensing
Casing material

Aluminium housing
Ingress Protection Rating


74.5 x 64.5 x 25 mm

130 g

Management software

Windows Connection Manager (NDIS driver)
USB Serial Driver

Windows 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 Driver

Android 4.x/5.x/6.x/7.x/8.x
NDIS Driver

Windows 7/8/8.1/10
Gobinet Driver

Linux 2.6/3.x/4.1~4.14

Linux 3.x(3.4 or later)/4.1~4.14


Management interface

AT Commands (3GPP TS27.007, 3GPP TS27.005)
Hayes AT Command set
Enhanced AT Commands

Package Contents

1 x Teltonika TRM250 Modem
1 x LTE antenna (swivel, SMA Male)
1 x Micro-USB cable
1 x Hex Key
1 x Quick Start Guide (QSG)