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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 "2G"?

2G is short for Second Generation, the name usually given to original GSM, CDMA, and TDMA networks. 1G, a term rarely used, would refer to the original analog (AMPS) type mobile networks first used in the early 1980s.

Also known as: "second generation"


Referred to by: NTT DoCoMo, PDC, WiMAX

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