Teltonika TRM142 - Industrial 4G Modem
The Teltonika TRM142 is a compact industrial modem designed to upgrade legacy equipment with 4G network technology. Supporting LTE Cat 4, it ensures fast, efficient, and stable data transmission even for critical applications. It is particularly suitable for integration into older systems such as alarm systems, control units, and other technologies that use serial interfaces.
Connectivity and Interfaces
The modem is equipped with an RS232 interface with a DB9 connector and also supports 3G and 2G networks, which serve as backup solutions in case of 4G connection failure. Its compact size and easy DIN rail mounting allow for simple integration into server cabinets, control panels, or other tight spaces.
Durability and Industrial Use
With a wide operating temperature range from -40 °C to 75 °C and a robust IP30-rated enclosure, the TRM142 modem is ideal for industrial sectors where devices are exposed to extreme temperature fluctuations and require reliable wireless connectivity and long-term operational stability.
Compatibility and Equipment
The TRM142 is compatible with operating systems like Linux and Windows. It supports a single SIM card and features a detachable antenna with an SMA connector for improved signal coverage. The device can be powered either via Micro USB or through a 4-pin connector supporting 9-30 V DC.
Key Features:
• Mobile 4G / LTE (Cat 4), 3G, 2G
• Micro USB power option
• RS232 interface with DB9 connector
• SIM card slot
• 1 x SMA antenna connector
• Status LED indicators
• IP30-rated enclosure
• Operating humidity: 10% to 90% non-condensing
• Operating temperature: -40 °C to 75 °C
• Dimensions: 75.9 x 25 x 74.5 mm
• Weight: 135 g
Standard package contains:
• Teltonika LTE Modem TRM142•
• LTE antenna (magnetic, SMA male, 3 m cable)
• Power cable - Micro USB (0.8 m)
• 1 x hex key
• Quick Start Guide (QSG)
We recommend using the complete user manual and documents for configuration, official materials can be found here.
More information can be found in the attached datasheet and quick manual.