Use of multiple cell tower sites, each connected through a network, allowed users to travel and even switch cell towers during a call. It was a revolution built on existing, analog technology with the first being built in Chicago in 1977.
Early telephones were for the elite, and were so uncommon that they came in widely varying designs, nearly all ostentatious and victorian in appearance.
The first call was made from Bell to an assistant sitting 15 feet away on March 10, 1876, when Bell said, “Watson, come here, I want you.”
In 1983, Motorola introduced the first cellular telephone in the United States.
Bell, Sanders and Hubbard formalized their relationship by creating the Bell Telephone Company, the direct corporate predecessor of today’s AT&T.
By the summer of 1877, the telephone had become a business. The first private lines, which typically connected a businessman’s home and his office, had been placed in service.
Cellular phones are one of the fastest growing and most demanding telecommunications applications.
By the end of 1877 there were three thousand telephones in service.
The telegraph and telephone are both wire-based electrical systems, and Alexander Graham Bell's success with the telephone came as a direct result of his attempts to improve the telegraph.
In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone)