HISTORY OF MOBILE PHONES

HISTORY OF MOBILE PHONES

a man talkn on his mobile phone hile standing near a conventional telephone box which stands empty.enabiling technology for mobile phones was first develop for mobile phones was first developed in the 1940 but it was not until the mid 1980 s that theybrcame widley available mobile phones a wired devises.

\MARTIN COPER

martin cooper of Motorola phone made the 1^st published hand held mobile phones call on a proto type dyna tac modle on april 4 1973 this is a ereenctment in 2007

the first commercial automated celluar network was launched in japan by NTT IN 1979

IN 1991 the second generation {2G} digital cellular technology was laynsed in finaled by radiolinja on the GSM standerd which sparks.

ten year later in2001 the 3^rd generation 3g was launched in japan by NTT docomo on the WCDMA standred.