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overview
 Universal Mobile Telecommunications System @ Wikipedia
Universal Mobile Telecommunications System (UMTS) is one of the third-generation (3G) cell phone technologies.
Currently, the most common form of UMTS uses W-CDMA as the underlying air interface.
It is standardized by the 3GPP, and is the European answer to the ITU IMT-2000 requirements for 3G cellular radio systems.
To differentiate UMTS from competing network technologies, UMTS is sometimes marketed as 3GSM, emphasizing the combination...
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http://en.wikipedia.org/wiki/UMTS
1/16/2008
Tags: 3g
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