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CDMA2000 - Wikipedia, the free encyclopedia
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日期:2024-07-11
The CDMA Development Group states that, as of May 2012, there are 329 operators in 121 countries offering CDMA2000 1X and/or 1xEV-DO service. History [edit] The intended 4G successor to CDMA2000 was UMB (Ultra Mobile Broadband); however, in November ......看更多