Description
Teltonika RUT906 4G LTE RS232/RS485 Industrial Router – Specifications
The Teltonika RUT906 is a rugged industrial cellular router designed for IoT, automation, telemetry, energy, transportation and remote equipment connectivity. The Cisper listing you provided identifies SKU RUT906000000 and confirms 4 Ethernet ports, Wi-Fi, Dual SIM, GPS/GNSS, RS232/RS485 and I/O. Cisper
| Specification | Details |
|---|---|
| Brand | Teltonika Networks |
| Model | RUT906 |
| Product Type | Industrial 4G LTE RS232/RS485 Router |
| Cisper SKU | RUT906000000 |
| Mobile Network | 4G LTE Cat 4, with 3G/2G fallback |
| SIM | Dual SIM, with auto-failover, backup WAN and switching scenarios |
| Ethernet | 4 × 10/100 Mbps Ethernet ports – 3 × LAN + 1 × WAN |
| Wi-Fi | IEEE 802.11b/g/n, 2.4 GHz |
| RS232 | 1 × DB9 RS232; RTS/CTS flow control; 300–115200 baud |
| RS485 | 1 × RS485; Full Duplex 4-wire / Half Duplex 2-wire; 300–230400 baud |
| GNSS | GPS, GLONASS, BeiDou, Galileo and QZSS |
| GNSS Functions | NMEA 0183, NTRIP, geofencing, location services and time synchronization |
| USB | USB 2.0 |
| Industrial Protocols | Modbus TCP/RTU, MQTT, BACnet, OPC UA, DLMS and others |
| I/O | Multiple digital/analog inputs and digital/relay outputs |
| Operating System | RutOS, OpenWrt-based Linux OS |
| Remote Management | Teltonika RMS – Remote Management System |
| VPN/Security | Industrial networking/VPN and firewall functionality through RutOS |
| Power Input | 9–30 V DC |
| Housing | Rugged aluminium industrial enclosure |
| Dimensions | 109.5 × 100 × 50 mm |
| Ingress Protection | IP30 |
| Antenna Connectors | SMA cellular/GNSS; RP-SMA Wi-Fi |
| Operating Temperature | Industrial-temperature design |
| Mounting | DIN rail/flat surface mounting options |
Cisper specifically lists the dimensions as 109.5 × 100 × 50 mm, IP30 protection and SMA antenna connection. Cisper Teltonika’s documentation confirms the serial specifications, including RS232 at up to 115200 baud and RS485 at up to 230400 baud. Teltonika Networks
RS232 / RS485
This is one of the major advantages of the RUT906 for industrial applications. The RS232 DB9 interface supports RTS/CTS flow control, while RS485 supports both 2-wire half-duplex and 4-wire full-duplex operation. Serial functions include Serial over IP, console and modem functionality. Teltonika Networks
It can therefore connect equipment such as PLCs, industrial meters, controllers, SCADA equipment, sensors and legacy serial devices to IP or cellular networks.
Industrial Protocol Support
The current Teltonika documentation includes Modbus Server/Client, with RTU over RS232/RS485 and Modbus TCP. It also supports data transmission through HTTP(S), MQTT, Azure MQTT and AWS Kinesis, plus Modbus MQTT Gateway and DLMS functionality. Teltonika Networks
GNSS
The integrated GNSS supports GPS, GLONASS, BeiDou, Galileo and QZSS, with coordinates accessible through WebUI, SMS, TAVL and RMS. NMEA 0183, NTRIP and configurable geofencing are also supported. Teltonika Networks
I/O
The RUT906 provides extensive industrial I/O, including digital dry and galvanically isolated inputs, analog input, open-collector outputs and an SPST relay output rated up to 40 V / 4 A. This allows the router to interact directly with alarms, sensors, switches and other field equipment.









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