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CDMA

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ALSO CALLED: Code Division Multiaccess, CDMA 2000-1x, CDMA2000, CDMA2000-1x, Code Division Multiple Access, EV-DO, CDMA EV-DO
DEFINITION: 1xRTT (Single-Carrier Radio Transmission Technology) is an operational mode for CDMA2000 wireless communications that specifies a single (1x) 1.25MHz channel for data transfer. 1xRTT was the first version of CDMA2000, which is the International Telecommunication Union's (ITU) CDMA (Code-Division Multiple Access ) implementation of the IMT-2000 standard. The theoretical network voice capacity of basic  … 
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CDMA DEFINITION (continued): … 1xRTT (Single-Carrier Radio Transmission Technology) is an operational mode for CDMA2000 wireless communications that specifies a single (1x) 1.25MHz channel for data transfer. 1xRTT was the first version of CDMA2000, which is the International Telecommunication Union's (ITU) CDMA (Code-Division Multiple Access ) implementation of the IMT-2000 standard. The theoretical network voice capacity of basic 1xRTT systems is approximately 144 kilobits per second ( Kbps ) although in practice the highest attainable speed is more like 80 Kbps. Versions of CDMA2000 have been developed by Ericsson and Qualcomm.See also: EV-DO , HSDPA
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