The Teltonika TRB145 is an ultra-small, lightweight, and energy-efficient industrial IoT gateway designed for robust and reliable remote equipment management. Equipped with 4G/LTE Cat 1 connectivity and a widely used RS485 serial interface, this rugged gateway supports critical industrial protocols such as DNP3, Modbus RTU/TCP, and OPC UA. It ensures seamless communication and control for industrial automation, smart metering, and remote monitoring applications.

Key Features:

• Supports 4G LTE Cat 1, 3G, and 2G networks for wide coverage and reliable connectivity
• RS485 interface supports both 2-wire (half duplex) and 4-wire (full duplex) communication
• Compatible with industrial protocols: DNP3, Modbus RTU over RS485, Modbus TCP, and OPC UA (TCP client/server)
• Includes Remote Management System (RMS) support, FOTA (Firmware Over-The-Air) updates, and VPNs (OpenVPN, IPsec)
• Power input range from 9 V to 30 V DC with reverse polarity and surge protection
• Compact and durable aluminium housing with DIN-rail, wall, or flat mounting options for versatile installation
• Operates in harsh environments with a temperature range of -40 °C to +75 °C and IP30 ingress protection
• Equipped with a single SIM slot (Mini SIM 2FF), one SMA antenna connector, and a 6-pin terminal block for RS485