TL-TRB142 with antenna Package Contents TL-TRB142 TL-TRB142 TL-TRB142




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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 LTE antenna.
  • 18 month warranty

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The Teltonika TRB142 is an industrial CAT1 2G/3G gateway, featuring a Micro-USB socket and an RS232 port. This gateway uses a highly customisable Linux environment with mission-critical LTE capabilities that make it excellent for a wide variety of advanced IoT scenarios, such as providing network access to industrial equipment and computers.

The RS232 port supported by the TRB142 is widely used for remote device management; its 1.2GHz processor and 128Mb of RAM ensures it can excel at this for any device. Among the various other features, the TRB142 supports are firewall services, FOTA, SSH, CLI and SMS utilities.

The TRB142 is extremely energy efficient and its frame is robust as well as being small and lightweight, making it highly adaptable and reliable for many scenarios, whether domestic or industrial.


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) 

UK Conformity Assessment (UKCA) Click here 12.08.2021
Quick Start Guide Download here 30.01.19
Teltonika Networks use case catalog Download here 02.09.21