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Advanced Mobile Phone Service.

The analog wireless transmission standard (technology) deployed in the 1980s in the United States. AMPS operated only in the Cellular frequency band (800 / 850 MHz).

AMPS used more battery power and emitted more radiation than newer digital technology. Digital technologies also have generally better sound quality, and provide many more features, from messaging to high-speed data.

Last updated Apr 24, 2013 by Rich Brome

Editor in Chief Rich became fascinated with cell phones in 1999, creating mobile web sites for phones with tiny black-and-white displays and obsessing over new phone models. Realizing a need for better info about phones, he started Phone Scoop in 2001, and has been helming the site ever since. Rich has spent two decades researching and covering every detail of the phone industry, traveling the world to tour factories, interview CEOs, and get every last spec and photo Phone Scoop readers have come to expect. As an industry veteran, Rich is a respected voice on phone technology of the past, present, and future.

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