The ISD infrared data transmission system enables wireless data transmission to rail-mounted vehicles along the light beam.

IS D红外数据传输系统可以使无线数据通过光束传输到钢轨车辆上。

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This first wireless telephone transmitted sound on a beam of light instead of electrical wires.

这是第一支无线电话，透过光波传递声音，而不再使用电缆。

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Beam steerable 4_slots leaky wave antenna (LWA)array is presented for wireless communications.

设计了一个用于无线移动通信的波束可调4缝隙漏波天线阵。

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The airlines can then beam their content to passengers' devices, as well as to wireless screens they distribute or build into seats.

WSJ: Some Airlines Lend iPads for In-Flight Entertainment Systems