The first cell phone call was made 45 years ago – on April 3rd, 1973 by Martin Cooper, a Motorola engineer. He jubilantly called Joseph Engel, his rival at Bell Labs. Mobile telephone service had been introduced in 1946 by AT&T; their MTS system linked VHS radio signals to the local telephone system, requiring eighty pounds of hardware mounted in an automobile.
Tools Toys and Technology
About the Tools You Use and the Toys That Make Life Interesting
