Description
Teltonika TRB255 4G Cat-M1/NB-IoT Gateway is a compact industrial cellular gateway designed to provide reliable connectivity for IoT devices and remote equipment. It combines 4G Cat-M1 and NB-IoT cellular communication, Ethernet connectivity, serial interfaces, digital I/O, and advanced network management features to support a wide range of industrial and remote monitoring applications.
Key Features
- 4G Cat-M1 Connectivity — Provides cellular connectivity using LTE Cat-M1 networks for IoT and industrial communication applications.
- NB-IoT Support — Supports Narrowband IoT connectivity for applications requiring efficient low-bandwidth cellular communication.
- Ethernet Connectivity — Provides wired network connectivity for compatible industrial and Ethernet-enabled equipment.
- Serial Communication — Supports serial interfaces for connecting legacy and industrial equipment to cellular networks.
- Digital I/O — Provides input and output interfaces for monitoring and controlling connected equipment.
- Remote Device Connectivity — Enables remote equipment to communicate with cloud platforms, servers, and monitoring systems.
- Industrial Design — Compact construction supports installation in industrial and technical environments.
- Network Management — Provides configurable networking and connectivity management features.
- VPN Support — Supports secure remote connectivity and communication for compatible network configurations.
- Remote Monitoring — Helps provide connectivity for sensors, meters, controllers, and other remotely located devices.
- IoT Integration — Can connect industrial and IoT equipment to centralized applications and cloud-based platforms.
- Use cases: Industrial IoT, Remote Monitoring, Smart Metering, Automation, Asset Monitoring, Utility Infrastructure, M2M Communication, Remote Equipment
INTERFACE
- 4G Cat-M1/NB-IoT Cellular: 1
- Ethernet Port: 1
- Serial Interface: 1
- Digital Inputs: 1
- Digital Outputs: 1
- SIM Interface: 1
- Antenna Interfaces: 1
- Power Input: 1
- Network Management: 1
Technical Specifications
- Technology: 4G CAT-M1/NB-IOT/CELLULAR GATEWAY/ETHERNET/INDUSTRIAL IOT;
- Cellular Connectivity: 4G LTE Cat-M1 and NB-IoT
- Network Interface: Ethernet connectivity for connected devices
- Serial Communication: Supports communication with compatible industrial and legacy equipment
- Digital I/O: Interfaces for monitoring and controlling external equipment
- SIM: Cellular SIM-based network connectivity
- Remote Access: Supports remote connectivity to connected equipment and networks
- Network Management: Configurable network and connectivity management
- Security: Supports secure networking and remote communication features
- Installation: Suitable for industrial and remote equipment installations
- Power: Industrial DC power supply
- Application: Industrial IoT, Remote Monitoring, M2M Communication, Smart Metering, Automation
Ideal Applications
Teltonika TRB255 4G Cat-M1/NB-IoT Gateway is suitable for:
- Industrial IoT — Connect industrial equipment and sensors to cellular networks and centralized monitoring platforms.
- Remote Monitoring — Provide cellular connectivity for equipment installed in locations without conventional wired network access.
- Smart Metering — Support remote communication for utility meters and monitoring equipment.
- Utility Infrastructure — Connect remote infrastructure, sensors, and control equipment to centralized systems.
- Industrial Automation — Provide cellular connectivity for controllers and industrial equipment.
- Asset Monitoring — Enable remote communication with monitoring equipment and connected assets.
- M2M Communication — Facilitate machine-to-machine communication between remote equipment and central applications.
- Remote Equipment Management — Provide network access for equipment that requires remote monitoring, configuration, or data transmission.
Why Choose the Teltonika TRB255 4G Cat-M1/NB-IoT Gateway?
The Teltonika TRB255 4G Cat-M1/NB-IoT Gateway is designed for applications that require reliable cellular connectivity for industrial and IoT equipment. Its combination of Cat-M1 and NB-IoT connectivity, Ethernet, serial communication, digital I/O, and network-management capabilities provides a flexible solution for connecting both modern and legacy equipment.
By providing cellular communication for remote devices, the TRB255 can help organizations collect equipment data, monitor remote infrastructure, and maintain connectivity with distributed assets. Its compact industrial design and support for multiple communication interfaces make it suitable for a wide range of M2M and IoT deployments.
The TRB255 is particularly suitable for smart metering, utility infrastructure, industrial automation, remote monitoring, asset management, IoT deployments, and other applications where low-power cellular connectivity is required for connected equipment.
Product Documentation
Official Teltonika Wiki and downloads: https://wiki.teltonika-networks.com/view/TRB255

