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Evolution-Data Optimized (EV-DO, EVDO, etc.) is a telecommunications standard for the wireless transmission of data through radio signals, typically for broadband Internet access. EV-DO is an evolution of the CDMA2000 ( IS-2000 ) standard which supports high data rates and can be deployed alongside a wireless carrier's voice services.
EV-DO Rel. 0 EV-DO Rev.A EV-DO Rev.B 3GPP2: Mobile Internet: CDMA/FDD: 2.45 3.1 4.9xN: 0.15 1.8 1.8xN: Rev B note: N is the number of 1.25 MHz carriers used. EV-DO is not designed for voice, and requires a fallback to 1xRTT when a voice call is placed or received.
CDMA2000 1X (IS-2000), also known as 1x and 1xRTT, is the core CDMA2000 wireless air interface standard.The designation "1x", meaning 1 times radio transmission technology, indicates the same radio frequency (RF) bandwidth as IS-95: a duplex pair of 1.25 MHz radio channels. 1xRTT almost doubles the capacity of IS-95 by adding 64 more traffic channels to the forward link, orthogonal to (in ...
SVDO, or Simultaneous Voice and EV-DO data, is a technology that allows supported CDMA2000 EV-DO cellular phones to maintain an active 3G data session while the phone is on a call. Previously, the capability of being able to use data while on a call was found only on mobile phones using GSM cellular networks.
This can mean adding just a handful of miles of range per hour, and a full charge can take well over 24 hours. It isn’t a practical solution for most drivers, but is handy if you’re visiting ...
Sprint operated a nationwide CDMA network in the 1.9 GHz PCS band. In 2006, Sprint's EV-DO "Power Vision" network reached more than 190 million people. Sprint then continued to upgrade their 3G EV-DO network until it reached 260 million people in 2007. Sprint eventually covered over 300 million PoPs with EV-DO services.
To make such predictions, one can look to his first presidency, as well as promises and assertions he’s made on the campaign trail, from tariffs to deportations to massive deregulation. As NPR ...
True 3G systems such as EV-DO, W-CDMA (including HSPA and HSPA+) provide combined circuit switched and packet switched data and voice services from the outset, usually at far better data rates than 2G networks with their extensions. All of these services can be used to provide combined mobile voice access and Internet access at remote locations.