---
lang: "en"
title: "TRM 250 Industrial USB LTE Cat-M1/NB-IoT/EGPRS Modem"
sku: "TRM250"
canonical_url: "https://shop.marcomweb.it/en/router-modem/trm-250-industrial-usb-lte-cat-m1nb-iotegprs-modem"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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TRM 250 Industrial USB LTE Cat-M1/NB-IoT/EGPRS Modem

The TRM250 is an industrial-grade cellular modem with various LPWAN connectivity options. It supports NB-IoT, LTE Cat-M1, and is backward compatible with EGPRS (2G). It offers an extremely long lifecycle, low power consumption, and is the most flexible option for enhancing the connectivity of existing industrial equipment. The TRM250 features a USB interface, a durable aluminum casing, and an external antenna for improved signal coverage. It is perfect for providing cost-effective Internet connectivity in remote monitoring applications.

## Technical Specifications

#### Hardware

- Mobile: 4G/LTE (Cat M1), NB-IoT, 2G
- Power options: microUSB, 5 VDC
- SIM: 1 x Internal SIM slot (2FF)
- Antenna connectors: 1 x SMA for mobile
- USB: 1 x Micro USB slave
- Status LEDs: 1 x Network, 1 x Power
- Protection rating: IP30
- Operating humidity: 10% to 90% non-condensing
- Operating temperature: -40 °C to 75 °C
- Casing: Aluminum with DIN rail mounting option
- Dimensions (W x H x D): 74.5 x 25 x 64.5 mm
- Weight: 130 g

#### Software

- Network manager: Windows 7/8/8.1/10, Linux Distributions
- USB serial driver: Windows 7/8/8.1/10, Windows CE 5.0/6.0, Linux 2.6~5.4, Android 4.x/5.x/6.x/7.x/8.x/9.x
- RIL driver: Android 4.x/5.x/6.x/7.x/8.x/9.x
- NDIS driver: Windows 7/8/8.1/10
- Gobinet driver: Linux 2.6~5.4
- QMI_WWAN driver: Linux 3.4~5.4
- Control via AT commands: 3GPP TS27.007 and advanced AT commands

---

Source: https://shop.marcomweb.it/en/router-modem/trm-250-industrial-usb-lte-cat-m1nb-iotegprs-modem

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.