Teltonika

Teltonika TRB246

Industrial IoT Gateway

Black Teltonika TRB246 device with GPS and mobile antenna ports on a red background.

Teltonika TRB246 IoT Gateway

The TRB246 is an industrial 4G LTE gateway equipped with I/Os, RS232, RS485, and Ethernet interfaces for IoT solutions requiring versatility and reliable M2M communication support. This gateway has dual SIM functionality and supports multiple protocols, like DNP3, DLMS, and Modbus, vital for ensuring smooth data transmission. Encased in aluminium housing, this industrial-grade IoT gateway can tolerate extreme environmental conditions in manufacturing, agriculture, or construction.

Teltonika TRB246 4G IoT Gateway Features

Millbeck are a Teltomnika Diamond Distributor.

Connectivity

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

DUAL SIM

Auto-failover, backup WAN, and more switching scenarios

Interfaces

Ethernet, I/Os, and serial (RS232, RS485) interfaces with 16-pin terminal block

Protocols

Supports DNP3, DLMS, Modbus, and other communication protocols

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

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Resources

Latest news & insights

News
Oct 21, 2026

Millbeck Moves to New Premises at Pool Business Park

We have moved to larger premises at Pool Business Park, Pool in Wharfedale Leeds. More room for stock, staging, and office space.

KB
Oct 2, 2026

What Is Router Staging? A Guide for IoT Rollouts

Router staging means preparing routers and gateways before they reach site, so installers mount and power up rather than configure.

KB
Sep 30, 2026

IoT Antennas Explained

IoT Antennas Explained: Types, Gain, MIMO and How to Choose

Image of a data cabinet with a router inside cabled to an external antenna with IoT Antennas explained and the Millbeck logo