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What is 2.5G? Definition of 2.5G: Cell Phone Glossary

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Definition: In the world of cell phones, 2.5G wireless technology is a stepping stone that bridged 2G to 3G wireless technology. While 2G and 3G have been formally defined as wireless standards, 2.5G has not been and was created only for the purposes of marketing.

As an interim step from 2G to 3G, 2.5G saw some of the advances inherent in 3G networks (including packet-switched systems). The evolution from 2G to 3G ushered in faster and higher-capacity data transmission.

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Pronunciation: two-point-five-gee
Also Known As: second-and-a-half generation cell phone technology
Alternate Spellings: 2.5-G
Examples:
2.5G wireless technology is a stepping stone that bridged 2G to 3G wireless technology.
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