Numeric
1G
The first generation of analogue mobile phone technologies including AMPS,TACS and NMT
2G
The second generation of digital mobile phone technologies including GSM, CDMA IS-95 and D-AMPS IS-136
2.5G
The enhancement of GSM which includes technologies such as GPRS
3G
The third generation of mobile phone technologies covered by the ITU IMT-2000 family
3GPP
The 3rd Generation Partnership Project, a grouping of international standards bodies, operators and vendors with the responsibility of standardising the WCDMA based members of the IMT-2000 family
3GPP2
The counterpart of 3GPP with responsibility for standardising the CDMA2000-based members of the IMT-2000 family. 3GPP2 is spearheaded by ANSI
