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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 is not designed for voice, and requires a fallback to 1xRTT when a voice call is placed or received. Notes: All speeds are theoretical maximums and will vary by a number of factors, including the use of external antennas, distance from the tower and the ground speed (e.g. communications on a train may be poorer than when standing still).
Operator Country Technology Frequency (MHz) Launch date End of service Notes Movicel Angola CDMA2000 1xRTT, EV-DO Rev. A 800 Apr 2004: Mar 2016 [38] [39] [40]BelCel Belarus ...
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 ...
EV-DO is not designed for voice, and requires a fallback to 1xRTT when a voice call is placed or received. Notes: All speeds are theoretical maximums and will vary by a number of factors, including the use of external antennas, distance from the tower and the ground speed (e.g. communications on a train may be poorer than when standing still).
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.
There once was a time when flip phones and sidekicks were all the rave. During this period, brands such as Nokia, Motorola and Ericsson dominated the market, producing the latest in cutting-edge ...
The phone's functions include a 3.2-megapixel camera with flash, a portable media player, text messaging, e-mail support, a web browser, a built-in accelerometer, and Verizon's GPS navigation software, VZ Navigator. It is a dual-band CDMA phone using EVDO for data communications.
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