<P> In 1949 , AT&T commercialized Mobile Telephone Service . From its start in St. Louis , Missouri , in 1946 , AT&T introduced Mobile Telephone Service to one hundred towns and highway corridors by 1948 . Mobile Telephone Service was a rarity with only 5,000 customers placing about 30,000 calls each week . Calls were set up manually by an operator and the user had to depress a button on the handset to talk and release the button to listen . The call subscriber equipment weighed about 80 lb . </P>
<P> In 1949 , AT&T commercialized Mobile Telephone Service . From its start in St. Louis , Missouri , in 1946 , AT&T introduced Mobile Telephone Service to one hundred towns and highway corridors by 1948 . Mobile Telephone Service was a rarity with only 5,000 customers placing about 30,000 calls each week . Calls were set up manually by an operator and the user had to depress a button on the handset to talk and release the button to listen . The call subscriber equipment weighed about 80 lb . </P>
when was the first commercial mobile phone released
when was the first commercial mobile phone released
1949
1949