9 янв 1973 г. - First Mobile Phone
Описание:
The first handheld cellular mobile phone was demonstrated by John.F. Mitchell and Martin Cooper of Motorola in 1973, using a handset weighing 2 kilograms. It could only call and receive calls and it takes 10 hours to charge and could only last about 30 min of talk time before it diesДобавлено на ленту времени:
Дата:
9 янв 1973 г.
Сейчас
~ 52 г назад