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Cellular and 802.11 Mesh Router

The TRO620 DIN-rail mounted cellular router provides a reliable and secure connection over public and private cellular infrastructures. This advanced communications platform combines cellular communication technology with Hitachi-ABB Power Grid’s patented Broadband Mesh functionality with an Edge Compute capability for field area networks and distribution automation.

The TRO620 provides a rich selection of connectivity:


  •  3x3 MIMO broadband mesh based on the 802.11ac standard. This can be used for mesh backhaul or connectivity for wireless clients Gigabit fiber backhaul interface
  • 4 Gigabit Ethernet interfaces for connecting wired clients
  • 2x2 cellular antennas, providing cellular service through a selection of technologies (2G/ 3G/ 4G / P-LTE) across a large selection of bands globally
  • Serial interfaces providing connectivity to legacy devices already deployed in the field
  • TRO620 is galvanically isolated, with an industry-grade grounding pin
  • Optimized DC power supply and efficient power consumption ensure the TRO620 provides reliable operation for long lifecycle deployments
  • With optimal CPU, RAM and additional flash, this platform provides a flexible and secure environment for hosting third-party custom applications
  • Seamless uploads and downloads  provide the ability to store two firmware images on the router, preventing bricked-router scenarios
  • IIoT methodology with OTA updates simplifies remote management. OTA supports automatic updates and rollbacks with minimal disruption
  • Purpose-built, comprehensive communication network management system
  • Optimizes network performance during planning, deployment, and ongoing management of the network
  • Industrial certifications including ATEX, IECEX, and other environmental certifications to operate under the most demanding conditions

Cellular 3G/4G, 2x2 MIMO

  • Fast and versatile cellular connectivity with 2x2 MIMO and dual-SIM configuration
  • Choice of Cat-12 or Cat-4 modem options with support for world-wide carriers including AT&T and Verizon

Dual-SIM Configuration

  • Highly reliable and always available cellular connectivity with the ability to select either SIM or set a priority for selection based on the cellular plan

802.11 g/n and ac, 3x3 MIMO

  • State of the art, high-performing 2.4 GHz and 5 GHz radios provide connectivity for static or mobile clients

2.4 and 5 GHz broadband mesh

  • Reliable Tropos mesh network for field area networks with legacy clients and newer digital sensors and for automation applications

Four-Port Ethernet switch

  • Four 10/100/1000 Base-T Ethernet (RJ45) interfaces provide an in-built switch for wired client connectivity

Three Serial Interfaces

  • 1 x RS-232 and 2x RS-485
  • Additional RS-485 interfaces increase the number of clients that can be connected (up to 32) to the Serial interface