Teltonika TRB142 Industrial Cat 1 LTE to RS232 Serial Gateway

  • RS232 is an industry standard for serial communication.
  • Wide range of power supply voltages.
  • Compact size, easy integration.

Please feel free to contact us about this item, and we will recommend an IT Sales and Service Provider in your area.

Resellers: for pricing and to place orders.

In stock email will be sent.
Instock notification already exists.
Order SKU: Supplier Code:

The Teltonika TRB142 3G/4G LTE Cat 1 Router is equipped with an RS232 Interface, Digital Inputs/Outputs and a micro-USB port. The compact design makes this Gateway perfect for applications where a sole device must be remotely controlled over the RS232 interface. The TRB142 is engineered to be used in industrial applications and has a wide range of software features such as SMS control, Firewall, OpenVPN, IPsec, RMS and FOTA support.

  • RS232 is an industry standard for serial communication.
  • LTE Cat 1 for M2M/IoT communications.
  • Wide range of power supply voltages.
  • Teltonika Remote Management System compatible.
  • OpenLinux based OS allows high software customisation.
  • Compact size, easy integration.



SIM slot

Mini SIM (2FF)
Antenna connector

1 x SMA for LTE

DB9 socket, 5 pin configuration with flow control, baud rate 300 - 115200

2 x Digital/Analogue Inputs/Outputs (configurable)

ARM Cortex-A7 1.2 GHz CPU

128 MBytes (50 Mbytes available for userspace)

512 MBytes (70 Mbytes available for userspace)
Input voltage range

9 - 30 VDC
Power connector

4 pin industrial DC power socket
Configuration interface

Virtual NIC via Micro-USB connector
LED Indicators

Power, signal, network and data status LEDs
Operating temperature

-40°C to 75°C

60 mm x 70 mm x 18 mm

157.5 g

Operating system

Linux OS with Yocto SDK (offering high software customisation)

NAT, Firewall (port forward, traffic rules, custom rules), DDNS ( >25 service providers supported)
RS232 related services

Modbus, Serial over IP, NTRIP
Remote management

RMS Support, FOTA support, SSH, CLI, SMS Utilities (status/configuration)
Status watchdogs

Ping reboot, periodic reboot
Additional features

Internet connectivity over USB virtual network interface

Package Contents

1 x TRB142 router
1 x PSU
1 x LTE antenna (magnetic mount, SMA male, 3m cable)
1 x Micro-USB cable (0.8 m)
1 x Hex key
1 x QSG (Quick Start Guide)