FACTS OF MOBILE CELL PHONE Part - 1 The first mobile telephone - TopicsExpress



          

FACTS OF MOBILE CELL PHONE Part - 1 The first mobile telephone call was made on April 3, 1973 by Martin Cooper, a former Motorola inventor, who is known as "the father of the cellphone". From Sixth Avenue in New York he rang the boss The brick like Battery required, which allowed a talk time of just 30 minutes and took 10 hours to charge, made carting it around even more of a chore. A decade later in 1983 the first mobile phones went on sale in the US costing about £2,500 each. By 1990 there were a million users. continue...
Posted on: Wed, 19 Jun 2013 04:41:23 +0000

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