The Cellphone: The History and Technology of the Gadget That Changed the World

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Presenting the history of the cellular phone from its beginnings in the 1940s to the present, this book explains the fundamental concepts involved in wireless communication along with the ramifications of cellular technology on the economy, U.S. and international law, human health, and society. The first two chapters deal with bandwidth and radio, two foundational elements which directly motivated and influenced the creation of the cellphone. 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. Throughout the work, the author explains technological features and concepts with the help of detailed photographs and diagrams.