TRB1 series

Overview

The TRB1 series are small, lightweight industrial IoT gateways that add secure cellular connectivity to a single machine or controller. Models cover LTE Cat 1, Cat 4 and Cat 6, with Gigabit Ethernet, RS232, RS485, M-Bus or multiple I/Os depending on the variant. They run RutOS and support industrial protocols such as Modbus and DNP3, with RMS compatibility.

Built for

Connecting PLCs and controllers
Utility meter reading (M-Bus)
Serial device telemetry
Remote equipment monitoring

Key features

Compact housing

Small, light aluminium enclosure for tight spaces.

Interface variants

Ethernet, RS232, RS485, M-Bus or multiple I/Os depending on model.

M-Bus gateway

TRB143 supports up to 250 M-Bus client devices.

Industrial protocols

Modbus and DNP3 support listed for TRB140.

Remote management

Compatible with RMS.

Specifications

Cellular: 4G LTE Cat 1, Cat 4 or Cat 6
SIM: 1 x Mini SIM (eSIM option on TRB160)
Ethernet: 1 x Gigabit on TRB140/143/160
Serial: RS232 (TRB142), RS485 (TRB145)
Other interfaces: M-Bus (TRB143), I/Os, micro USB
Power input: 9-30 VDC (12-30 VDC on TRB143)
Housing: Aluminium
Dimensions: 74.5 x 25 x 64.4 mm (most models)
Operating temp.: -40 to 75 °C
Ingress protection: IP30
Operating system: RutOS

Models

Model	Cellular	Ethernet	Interfaces
TRB140	4G LTE Cat 4, 3G, 2G	1 x Gigabit	Digital I/O, micro USB
TRB141	4G LTE Cat 1, 3G, 2G	None	3 DI, 1 AI, 2 relays, micro USB
TRB142	4G LTE Cat 1, 3G, 2G	None	RS232 (DB9), I/O, micro USB
TRB143	4G LTE Cat 4, 3G, 2G	1 x Gigabit	M-Bus, digital I/O
TRB145	4G LTE Cat 1, 3G, 2G	None	RS485, I/O, micro USB
TRB160	4G LTE Cat 6, 3G	1 x Gigabit	2 x digital I/O