Friday, June 29, 2007

FACTBOX-Key developments for U.S. cell phone market

(Reuters) - * 1947, Bell Laboratories engineers Douglas H. Ring and W. Rae Young propose the idea of mobile communication through signals sent from hexagonal cells located on the corner of cell towers




* 1968, Bell Labs and AT&T propose a cellular system to the Federal Communications Commission featuring small broadcast towers covering a radius of a few miles. Collectively, the towers would cover a larger area and would pass calls along as a caller traveled


Read more at Reuters.com Business News

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