3G or 3rd generation is the 3rd generation of telicomuncations is the current generation of cellular transmission, which primarily features higher speeds for Internet access and real-time video. In the U.S., the major 3G technologies are EV-DO for CDMA networks, such as used by Verizon and Sprint, and HSDPA for GSM networks for carriers such as AT&T and T-Mobile. For example, the iPhone 3G, Apple's second generation iPhone, uses HSDPA, a 3G technology.
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