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What is 3G? Definition of 3G: Cell Phone Glossary

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Definition: 3G is the third generation of mobile phone standards and technology. 3G supersedes 2G technology and precedes 4G technology. 2.5G was a temporary bridge between 2G and 3G.

3G technologies enabled faster data-transmission speeds, greater network capacity and more advanced network services.

The first pre-commercial 3G network launched in May 2001 by NTT DoCoMo in Japan. The network was branded as FOMA. Following the first pre-commercial launch, NTT DoCoMo again made history with the first commercial launch of 3G in Japan on Oct. 1, 2001.

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Pronunciation: three-gee
Also Known As: third-generation mobile phone standards
Alternate Spellings: 3-g
Examples:
3G is the third generation of mobile phone standards and technology.
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