TELTONIKA

Teltonika TRB140

Industrial Rugged LTE Gateway

Black Teltonika TRB140 industrial cellular router on red background.

Teltonika TRB140 LTE Gateway

TRB140 is an ultra-small, lightweight, and energy-efficient IoT device with mission-critical LTE Cat 4 and Gigabit Ethernet connectivity options. Linux environment offers a high degree of customization. This gateway is perfect for projects and applications where a single device must be upgraded with reliable and secure internet connectivity.

Teltonika TRB140 4G LTE Gateway Features

Millbeck are a Teltonika Diamond Distributor.

Connectivity

4G/LTE (Cat 4), 3G, 2G

Compact

Small size, easy installation

Protocols

Compatible with industrial DNP3 & Modbus communication protocols

RMS

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Vertical pattern of small gray dots on a white background, denser at the left fading towards the right.

Why Connect with Millbeck

Millbeck specialises in the cellular hardware and SIMs that sit between an industrial device and the network it depends on. The kind of work where the spec decisions made on day one decide whether the deployment is still online in year five.

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Featured case study

Cellular Connectivity for Energy Storage and Battery Systems

Resources

Latest news & insights

KB
Aug 12, 2026

Failover and Backup Connectivity

Failover connectivity uses a second network path, usually cellular, so operations keep running when the primary line fails. This guide covers automatic failover architectures, Teltonika's dual modem routers, and why the SIM behind the router matters as much as the hardware itself.

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News
Aug 4, 2026

Teltonika EOL Announcement for RUTX-Series

Teltonika has officially placed its entire RUTX router range into End of Life.

Teltonika RUTX Series Enters End of Life
Insights
Aug 4, 2026

Teltonika Dual Modem Routers for IoT

Why dual modem routers give IoT deployments real redundancy, and how Teltonika's RUTC42, RUTM56 and RUTM52 compare for 4G, 5G and edge use cases.

Image of a Teltonika RUTM56 dual modem router with the Millbeck logo above, on an abstract tiled background