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Tunnel WiFi


EION Tunnel WiFi is an outdoor 802.11 WiFi hotspot designed for optimal coverage inside tunnels and underground locations. The innovative helical antenna signal pattern provides exceptional coverage through the tunnel without wasting power. Typically due to reflections in tunnels such as an underpass, campus tunnel or subway station, the wireless signal is attenuated. In EION Tunnel WiFi, the reflections in fact help propagation by strengthening the signal. Additionally the circular polarization of the integrated antenna means that end user devices such as laptops, smart phones and tablets do not need to be ‘aimed’ at the Street WiFi access point.

Tunnel WiFi is ideal for deploying WiFi coverage to the following locations; underpasses, campus tunnels, mining, subway stations, elevator shafts, sewer systems or any confined spaces where traditional coverage models are inefficient or impractical.

The product is fully integrated for simple outdoor installation on a pole, wall or telephone pole or light standard. Tunnel WiFi variants are available in 2.4 GHz, 5.8 GHz or dual-band operation.


  • Fully integrated for quick setup and installation

  • Antenna design optimized for underground tunnel coverage

  • Signal propagation is enhanced, not degraded, by tunnel walls.

  • Enhanced sensitivity for superior performance

  • Outdoor AP supports operation in 2.4 GHz or 5.8 GHz bands

  • Support for IEEE802.11a/b/g/n client devices

  • Up to 300 Mbps data rate per radio

  • Operates as standalone AP, or as part of a managed Campus Network

  • 2 x 2 Spatial Diversity MIMO (Multiple-In/ Multiple Out) antenna with high receive sensitivity

  • Gigabit Ethernet interface

  • Ruggedized outdoor enclosure, IP67 for operation in harsh environmental conditions

  • Tunnel/Mining SW Upgrade Package includes improved RTS CTS settings, Power settings, Modulation & BW MIMO STBC for high availability of channel

  • Dual Antenna Split Systems for T Junctions up and down the tunnel from a single AP

Tunnel WiFi Datasheet

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