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

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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 Smart Building Energy Monitoring

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.

An illustration of networking on a red background with the Millbeck logo on the top left
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