Evolution-Data Optimized, abbreviated as EV-DO or EVDO and often EV, is a wireless radio broadband data standard adopted by many CDMA mobile phone service providers in United States, Canada, Mexico, Europe, Asia, Russia, Brazil, and Australia. It is standardized by 3GPP2, as part of the CDMA2000 family of standards. It is typically used to provide broadband-speed Internet access to mobile telephone subscribers.

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