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UMTS-FDD - Wikipedia, the free encyclopedia
瀏覽:496
日期:2024-04-29
UMTS-FDD, an acronym for "Universal Mobile Telecommunications System (UMTS) - frequency-division duplexing (FDD)," is a 3GPP standardized version of UMTS networks that use UTRA-FDD.[1] UTRA-FDD is a UTRA that uses frequency-division duplexing for duplexin...看更多