ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
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'.
Model release not required. Property release not required.