Computer Graphic: Mobile Telephone Over World Map
by Alfred Pasieka/science Photo Library
Title
Computer Graphic: Mobile Telephone Over World Map
Artist
Alfred Pasieka/science Photo Library
Medium
Photograph - Photograph
Description
Global telecommunication. Computer graphic of a mobile cellular telephone superimposed over a map of the world and a grid pattern, depicting global telecommunication. Battery-powered cellular telephones bypass the standard network of telephone wires, and send their signals by radio which may be relayed via satellite. On a local scale, cellular telephones link up to a grid of local radio communication centers scattered in a network of radio 'cells'.
Uploaded
September 16th, 2018
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