3G is a third generation wireless technologies. It comes with enhancements over previous wireless technologies; it is high-speed transmission, advanced multimedia access and global roaming. 3G is mostly used with mobile phone and handset as a means to connect the phone to the Internet or other IP networks in order to make voice and video calls, to download and upload data and to surf the Internet.

3G has the following enhancements over previous networks:
• Several times higher data speed.
• Audio and video streaming.
• Video-conferencing support.
• Web and WAP browsing at higher speeds.
• IPTV (TV through the Internet) support.

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