3 avr. 1973 - Radio Common Carrier (RCC)
Description:
Motorola Engineer Marty Cooper made the first call from a "real handheld portable cell phone". Like a radio, it could transmit voice communication through a push to talk system, but it used a public telephone network and had its own telephone number.Ajouté au bande de temps:
Date:
3 avr. 1973
Maintenaint
~ Il y a 52 ans