Your text Outlines a variety of wireless telecommunications media such as terrestrial microwave, communications satellites, cellular and PCS systems.

你的文字概述了各种无线通讯媒介，如地面微波，通信卫星，蜂窝和PCS系统。

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There are sound reasons why long-distance telephone, television and Internet long ago moved from satellites to terrestrial microwave and then fiber optic.

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