It was 40 years ago today when Ameritech Mobile Communications (now @ATT ) established the United States' first cellular network
13 Oct 2023, 20:42
It was 40 years ago today when Ameritech Mobile Communications (now @ATT ) established the United States’ first cellular network.
This innovation enabled mobile devices to have uninterrupted service as they move between cells (towers transmitting and receiving radio signals),…