The Teltonika RUT206 Industrial 4G Router is a compact and rugged LTE Cat 4 cellular router specifically designed for industrial IoT and M2M applications. Supporting 4G LTE connectivity along with fallback to 3G and 2G networks, it offers reliable mobile communication in remote or harsh environments. The router features serial interfaces RS232 and RS485 via a 6-pin terminal block, enabling seamless integration with legacy industrial equipment and protocols such as Modbus, DNP3, and DLMS.

Designed to operate on Teltonika's RutOS, an OpenWrt-based operating system, the RUT206 provides a flexible and secure platform for custom industrial deployments. It supports active 802.3af Class 0 PoE and passive PoE inputs on its LAN port, along with a rugged 2-pin industrial DC power input accepting 9–57 VDC, making it suitable for demanding power environments.

Connectivity options include dual 10/100 Mbps RJ45 Ethernet ports, multiple antenna connectors for mobile and Wi-Fi signals, and a microSD slot for extended data storage. Remote device management is simplified with the Teltonika RMS cloud platform or standard remote protocols, enabling easy monitoring, configuration, and firmware updates.

Overall, the RUT206 is an ideal solution for connecting serial devices like CNC machines, energy meters, and industrial controllers to cloud and remote monitoring systems, all packaged in a compact, rugged enclosure for reliable field operation.