| [ KAIST ] in KIDS 글 쓴 이(By): sjoh (오 성 준) 날 짜 (Date): 2001년 6월 15일 금요일 오전 12시 40분 22초 제 목(Title): Re: [q] 2G/3G 1G : Analog cellular (Standard such as AMPS) 2G : Digital Voice (Standard such as IS-95, GSM, IS-136, PDC...) 3G : Ditital Multimedia (Standard such as IMT-2000) 2.5G : Enhanced digital voice + limited data (Standard such as IS-2000, EDGE, W-CDMA) G means Generation All about wireless communication Boundary between 2.5G and 3G are ambiguous. 4G : Under consideration |