- which is the 3G successor of the 2G <a href="https://en.wikipedia.org/wiki/GSM">Global System for Mobile Communications</a> (GSM)
- and a competitor to the <a href="https://en.wikipedia.org/wiki/CDMA2000">Code-Division Multiple Access 2000</a> (CDMA2000) standard.
- TD-SCDMA was only used in China.
- UMTS evolved into the 4G <a href="https://en.wikipedia.org/wiki/LTE_(telecommunication)">Long-Term Evolution</a> (LTE), which was also adopted by CDMA networks.</p>
+ che è il successore 3G del protocollo 2G <a href="https://en.wikipedia.org/wiki/GSM">Global System for Mobile Communications</a> (GSM)
+ e concorrente dello standard <a href="https://en.wikipedia.org/wiki/CDMA2000">Code-Division Multiple Access 2000</a> (CDMA2000).
+ Il protocollo TD-SCDMA era utilizzato solo in China.
+ Il protocollo UMTS si è evoluto nel 4G <a href="https://en.wikipedia.org/wiki/LTE_(telecommunication)">Long-Term Evolution</a> (LTE), che è stato poi adottato anche dalle reti CDMA.</p>