A third-generation (3G) mobile phone technology standardized by the 3GPP as the successor to GSM.
Source(s):
NIST SP 800-101 Rev. 1
a third-generation (3G) mobile phone technologies standardized by the 3GPP as the successor to GSM.
Source(s):
NISTIR 7250
under Universal Mobile Telecommunications System
NISTIR 7387
under Universal Mobile Telecommunications System