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MIT Technology Review

Broadband on Rails

Two antenna feeds move freely around the outside of this compact lens, which is intended to provide broadband Internet access to trains that have to go through narrow tunnels. Each feed is capable of sending and receiving a different satellite signal.

December 30, 2009

Two antenna feeds move freely around the outside of this compact lens, which is intended to provide broadband Internet access to trains that have to go through narrow tunnels. Each feed is capable of sending and receiving a different satellite signal.