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New Family EWM 90x-TW Ethernet Wireless Module – LTE, Wi Fi and GPS on the Train

Overview Product Family EWM 90x-TW
Three device variants of the EWM 90x-TW Ethernet Wireless are currently available. These are a Wi-Fi access point, an LTE router and a combination variant.

New Family EWM 90x-TW Ethernet Wireless Module – LTE, Wi Fi and GPS on the Train zoom

Use Cases
The EWM 90x-TW product family enables operators to set up train-to-ground communication via the mobile data network and/or Wi-Fi. The connection of the train provides the basis for various services and services in a modern, digitalized environment. This means that vehicle diagnostic data can be transmitted for optimized maintenance processes or the current status of the fleet can be conveniently monitored via a web browser using Selectron Fleet Monitoring. Full access to the vehicles for maintenance work is also possible. Cyber security is taken into account of course, through secure OpenVPN connections and the one-way connection setup from the vehicle.

Furthermore, there is the possibility of setting up a Wi-Fi access point. This function makes it possible for other devices to connect to the EWM 90x-TW. The access rules for connecting devices can be adapted, and existing mobile data connections can be used with the help of the corresponding firewall settings.

The EWM 90x-TW also offers interfaces for positioning using GPS and GLONASS satellite navigation systems.

A user-friendly and intuitive web interface enables efficient configuration. Libraries are also available to connect the EWM 90x-TW product family quickly and easily to a Selectron controller.

Product Features

  • IEEE802.11a/b/g/n-compliant
  • Simultaneous operation of 2.4 GHz and 5 GHz frequencies possible
  • Integrated 2-port Gigabit Ethernet switch
  • Developed for harsh industrial and mobile applications
  • User-friendly and intuitive web interface for configuration
  • LTE interface with multi-SIM for up to 4 SIM cards
  • Mobile data traffic with up to 300 Mbit/s download rate and 50 Mbit/s upload rate


Subject to technical changes and amendments to technical specifications at any time.

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