2.75G
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A 2G mobile phone is a circuit switched digital mobile phone. A 3G mobile is a digital phone with rapid data according to one of the standards being a member of the IMT-2000 family of standards. After those terms were defined, slow packet switched data was added to 2G standards and called 2.5G. 2.75G is the term which has been decided on for systems which don't meet the 3G requirements but are marketed as if they do (e.g. CDMA-2000 without multi-carrier) or which do, just, meet the requirements but aren't strongly marketed as such. (e.g. GSM EDGE systems).
The term 2.75G has not been officially defined anywhere, but as of 2004 is beginning to be used quite often in media reports.
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