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EV-DO Phones Part of a family of CDMA2000 1x digital wireless standards. 1xEV-DO is a "3G" CDMA standard. EV-DO stands for "EVolution, Data-Only". EV-DO provides data rates over 10 times faster than 1xRTT, the previous data technology for CDMA networks. Unlike other "1x" standards, EV-DO only addresses data - not voice. It requires a dedicated slice of spectrum, separate from voice networks using standards such as 1xRTT. There are currently two main versions of 1xEV-DO: "Release 0" and "Revision A".
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