History of mobile phones

Dr. Martin Cooper of Motorola, made the first US analogue mobile phone call on a larger prototype model in 1973. This is a reenactment in 2007

 On April 3, 1973, Motorola employee Dr. Martin Cooper placed a call to Dr. Joel S. Engel, head of research at AT&T's Bell Labs, while walking the streets of New York City talking on the first Motorola DynaTAC prototype in front of reporters. Motorola has a long history of making automotive radios, especially two-way radios for taxicabs and police cruisers.

Two 1991 GSM mobile phones