Teltonika TRB255 Industrial LTE Gateway with GNSS

This Industrial LTE Cat-M1 / NB-IoT Gateway is designed for low-power, wide-area IoT applications that demand reliability and secure connectivity. It supports dual SIM with automatic failover, RS232/RS485 serial communication, Ethernet, and multiple digital and analog I/Os for seamless device integration. With support for industrial protocols like Modbus, DNP3, BACnet, and DLMS, the gateway ensures smooth data exchange across diverse systems. Its rugged aluminium enclosure, wide temperature tolerance, and advanced security features make it ideal for smart metering, asset tracking, remote monitoring, and industrial automation deployments. Note: Refer to datasheet in the ATTACHMENTS section for more info. regd. the product. Features: LTE Cat-M1, NB-IoT, and 2G connectivity Dual SIM with intelligent auto-failover RS232 and RS485 serial communication support Multiple digital and analog I/O ports Supports Modbus, DNP3, BACnet, DLMS protocols Advanced VPN, firewall, and security features Rugged aluminium industrial housing Wide operating temperature range GNSS support: GPS, GLONASS, BeiDou, Galileo, QZSS Package Includes: 1 x Teltonika TRB255 Industrial LTE Gateway with GNSS1 x 9W Power Supply Unit (PSU)1 x Mobile LTE Antenna (Swivel, SMA Male)1 x GNSS Antenna (Adhesive, SMA Male, 3 m Cable)1 x 16-Pin Terminal Block1 x Hex Key1 x Ethernet Cable (1.5 m)1 x Quick Start Guide (QSG)1 x Packaging Box

Specifications

Item Type:	Gateway
Model No. / Name:	TRB255
Connectivity:	4G/LTE (Cat M1), NB-IoT, 2G
SIM	Dual Mini-SIM with auto-switching
Interface:	Ethernet (10/100 Mbps), RS232, RS485
Protocol	Modbus, DNP3, BACnet, MQTT, DLMS/COSEM
Power Input	9–30 V DC
Operating Temperature (°C):	-40 to +75
Enclosure	Aluminium, IP30 rated
Connector Type:	2-pin in 16-pin industrial terminal block
Length (mm):	83
Width (mm):	74.2
Weight (g):	165
Shipping Weight	0.2 kg
Shipping Dimensions	9 × 8 × 3 cm