16 marzo 1973 anni - Cell phones
Descrizione:
The first handheld mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973. In 1979, Nippon Telegraph and Telephone (NTT) launched the world's first cellular network in Japan.In 1983, the DynaTAC 8000x was the first commercially available handheld mobile phone.Aggiunto al nastro di tempo:
Data:
16 marzo 1973 anni
Adesso
~ 51 years ago
