Download Free The Cellphone Book PDF
ByGuy Klemens
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14
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Synopsis
|The first two chapters deal with bandwidth and radio. Subsequent chapters look at precursors to the contemporary cellphone, including the surprisingly popular car phone of the 1970s, the analog cellphones of the 1980s and early 1990s, and the basic digital phones which preceded the feature-laden, multipurpose devices of today|--Provided by publisher.