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TRB142 - Teltonika Small, lightweight, powerful and cost-efficient Linux based industrial gateway with RS232 interface.

  • Manage your remote devices in real-time.
  • Send and receive e-mails.
  • Browse WEB databases.
  • Access VPN.
  • Send SMS messages from your PC or server.
  • SMA connector for GSM antenna

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The Teltonika TRB142 LTE RS232 Gateway is a small, lightweight and energy efficient IoT device equipped with mission-critical LTE capabilities, an RS232 serial communication port and a Linux environment offering a high degree of customization, designed to do IoT projects with ease.

The TRB142 comes with the widely used RS232 port for remote device management. It contains a high performance ARM Cortex-A7 1.2GHz processor and 128 megabytes of RAM.

It is equipped with mission-critical LTE capabilities and a Linux environment offering high degree of customization.

EU PSU Supplied in box - it is not likely the PSU will be used but if you do require a UK one please let us know at time of order


Download specification datasheet

Comparison Table
Mobile LTE(Cat1)/3G/2G
CPU ARM Cortex-A7 1.2 GHz CPU
RAM 128 MBytes (50 MBytes available for userspace)
Flash 512 MBytes (70 MBytes available for userspace)
Power connector 4 pin industrial
SIM slot Mini SIM (2FF)
Antenna connectors 1 x SMA for LTE
LEDs Power, signal, network and data status
RS232 connector DB9 socket, 5 pin configuration with flow control
Other Micro-USB connector, Reset button
Security/SW Features  
Networking Firewall, NAT
RS232 related services Modbus, Serial over IP, NTRIP
Remote Management RMS Support, FOTA support, SSH, CLI, SMS Utilities
Additional features USB virtual network interface, Input/Output
Electrical, Mechanical & Environmental  
Input voltage 9 - 30 VDC
Operating temperature -40° C to 75° C
Storage temperature -45° C to 80° C
Operating humidity 10% to 90% non-condensing
Storage humidity 5% to 95% non-condensing
Dimensions 60 mm x 70 mm x 18 mm
Weight 50g
Package contents

TRB142 board
*EU PSU - it is not likely the PSU will be used but if you do require a UK one please let us know at time of order
1 x LTE antenna (magnetic mount, SMA male, 3 m cable)
QSG (Quick Start Guide) 

Quick Start Guide Download here 30.01.19