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Advanced Mobile Phone System

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Definition Edit

The Advanced Mobile Phone System (AMPS) was a standard system (now obsolete) for analog signal cellular telephone service in the United States and elsewhere.

Overview Edit

It is based on the initial electromagnetic radiation spectrum allocation for cellular service by the FCC in 1970 and first introduced by AT&T in 1983.

In the 1990s AMPS systems in large metropolitan areas reached their capacity limits that could not be overcome by further cell-splitting. As a result, digital systems were deployed to provide higher capacity.

Source Edit

  • The Broadband Availability Gap, OBI Technical Paper No 1, Glossary, at 130 (full-text).

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