---
lang: "en"
title: "TRB142 Small, lightweight, powerful, and cost-effective Linux-based industrial remote board with RS232 interface."
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---

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TRB142 Small, lightweight, powerful, and cost-effective Linux-based industrial remote board with RS232 interface.

TRB142 comes with an RS232 interface widely used for remote device management. It features LTE Cat 1 capabilities for mission-critical applications and OpenWrt-based software, thus offering a high degree of customization. Just like other products in the TRB series, it provides a wide range of software functionalities such as SMS control, VPN, IPsec, Firewall, and FOTA support. This gateway is durable, offers a wide range of power supply voltages, and is compatible with the Teltonika Networks Remote Management System (RMS).

## Technical Features

#### Hardware

- Mobile: 4G/LTE (Cat 1), 3G, 2G
- CPU: Qualcomm, ARM Cortex A7, 1.2 GHz
- Storage: 512 MB Flash (200 MB for user space)
- Memory: 128 MB RAM (50 MB for user space)
- Power options: 4-pin power socket, 9-30 VDC
- SIM: 1 x Internal SIM slot (2FF)
- Antenna connectors: 1 x SMA for mobile
- Inputs/Outputs: On 4-pin socket: 2 x Digital input/Open collector digital output (configurable)
- Serial: 1 x RS232
- Other: 1 x Virtual network interface via micro USB
- Status LEDs: 3 x Connection type, 5 x Signal strength, 1 x Power
- Operating temperature: From -40 °C to 75 °C
- Casing: Aluminum housing with DIN rail mounting option
- Dimensions (W x H x D): 74.5 x 25 x 64.4 mm
- Weight: 135 g

#### Software

- Operating system: RutOS
- Network protocols: TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, FTP, SMTP, SSLv3, TLS 1.3, ARP, PPP, PPPoE, DHCP, Telnet
- Monitoring and Management: WEB UI, CLI, SSH, CALL, SMS, TR-069, SNMP, JSON-RPC, MQTT, MODBUS, RMS
- Connection monitoring: Reboot via Ping, Reboot via Wget, Periodic reboot, LCP and ICMP for link inspection
- Cloud Solutions: RMS, FOTA, Azure IoT Hub, Cloud of Things, Cumulocity, ThingWorx
- Modbus: TCP Client, TCP Server, RTU Server, RTU Gateway, Modbus over MQTT
- Serial: Console, Over IP, Modem, NTRIP, Modbus

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Source: https://shop.marcomweb.it/en/cellular-routers/trb142-small-lightweight-powerful-and-cost-effective-linux-based-industrial-remote-board-with-rs232-interface

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.