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Teltonika  |  SKU: TRB256000400

Teltonika TRB256 | Industrial M2M Gateway (NB-IoT, LTE-M & 2G)

Regular price €129,00
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A versatile industrial gateway engineered for low-power wide-area (LPWA) connectivity, supporting 450MHz networks and multiple serial interfaces for legacy equipment.

  • LPWA Connectivity: NB-IoT, LTE-M, and 2G with 450MHz support.
  • Industrial IO: RS232, RS485, and 3x Configurable Digital I/O pins.
  • Rugged Design: Aluminum housing with 9-30V DC input range.

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Description

The Teltonika TRB256 is an industrial-grade M2M gateway designed to provide reliable data transmission for utility and industrial applications. This compact device excels in challenging environments by supporting a wide array of LPWA technologies, including NB-IoT and LTE Cat M1, with the critical addition of 450MHz frequency band support for enhanced signal penetration. By bridging RS232, RS485, and Ethernet interfaces into a single cellular link, the TRB256 enables the modernization of legacy infrastructure in smart metering and grid management.

Industrial Connectivity Suite

Dual Serial Interfaces Equipped with both RS232 and RS485 ports to communicate with industrial PLCs, meters, and sensors.
Global LPWA Reach Supports worldwide bands for NB-IoT and LTE-M with 2G fallback to ensure uptime in remote sites.
Flexible Digital I/O Features 3 pins that can be configured as either digital inputs or open-collector outputs for local automation.
RutOS & RMS Management Powered by Teltonika’s Linux-based RutOS, enabling secure remote monitoring through RMS.

Primary Industrial Uses

Smart Grids & Metering: Connect and remotely read electrical or water meters via low-power cellular networks.
Industrial Automation: Provide secure M2M connectivity for PLC systems in remote or underground sites using 450MHz.
Environmental Monitoring: Aggregate serial data from weather stations or pollution sensors in off-grid locations.

Technical Integration

The TRB256 is housed in a durable aluminum shell and supports a wide power supply range of 9V to 30V DC. It features an integrated GNSS module for location tracking and timing synchronization. For security, the gateway supports multiple VPN protocols (OpenVPN, IPsec, WireGuard) and firewall functionalities. For guidance on optimizing serial-to-cellular baud rates or 450MHz antenna selection, contact the ShopIoT engineering team.

Specifications

  • Primary Communication Protocol
    NB-IoT, LTE-M (Cat-M1), 2G
  • Frequency/Region
    Global
  • Antenna Type
    External
  • Configuration Method
    Web GUI (HTTP/HTTPS), CLI, SMS, TR-069, MQTT, RMS
  • Environment Rating
    Indoor, Industrial
  • IP Rating
    IP30
  • Operating Temperature
    -40°C to 75°C
  • Enclosure Material
    Aluminum Alloy
  • Power Consumption
    < 1.2 W (Idle), < 5 W (Max)
  • Measurement Technology
    • Serial Communication: RS232 (Terminal Block) and RS485 (Terminal Block)
    • Positioning: GNSS (GPS, GLONASS, BeiDou, Galileo, QZSS)
    • Digital I/O: 3 x Configurable Open Collector Outputs or Digital Inputs
  • Measurement Range
    • Mobile Bandwidth: LTE Cat M1 (Up to 588 kbps DL/1119 kbps UL)
    • Input Voltage: 9V to 30V DC
    • I/O Logic Levels: 0-6V (Logic Low), 8-30V (Logic High)
  • Measurement Accuracy

    GNSS Accuracy: < 2.5m CEP

  • Measurement Resolution

    I/O Current: Max 300 mA per Output

  • Interfaces (I/O)
    RS232, RS485 (Modbus RTU), Ethernet (RJ45), Digital Input (Dry Contact), Digital Output (Relay)
  • Monitoring Parameters
    Signal Strength, CPU Temperature, Digital Input Status, Power Status

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