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Our online glossary is here to help you make sense of the terminology used in the cell phone industry. It covers mobile technologies, such as 3G and 4G, and even includes a bit of information on smartphone operating systems and the companies that make the cell phones and other mobile technology devices we all use.

What is "AMPS"?

North America's AMPS and its variants used elsewhere in the world are the antiquated analog cellular phone networks used before the advent of digital technologies such as GSM and CDMA. AMPS was first used in North America in the early 1980s and is still used today, though mostly in rural areas.

Also known as: "Advanced Mobile Phone System"

See Also: GSM, CDMA

Referred to by: 2G, dual-mode

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