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

Resources

Latest news & insights

KB
May 13, 2026

eUICC for IoT: What It Is, How It Works, and Why It Matters

What is eUICC, How it Works and Why It Matters

Global IoT connectivity with eUICC profile switching across networks.
Case Study
May 13, 2026

Bus Signage IoT Connectivity: For Cellular Connectivity on the Move

Onboard digital signage on buses needs always-on cellular connectivity to pull real-time passenger information, route updates and advertising from the cloud.

A red bus driving through a forest
News
May 11, 2026

Vodafone Takes Full Control of VodafoneThree

Vodafone has agreed to buy out CK Hutchison's remaining 49% stake in VodafoneThree for £4.3 billion, less than a year after the merger completed. Here's what it means for UK 5G investment, the operator landscape and IoT connectivity.

VodafoneThree logo over a landscape view of London | Millbeck