... Frequency: (A)CDMA/GSM;860-970 MHz (B)3G:2110-2170 MHz (C)DCS/PHS:1805-1930 MHzAvailable system : Include analog (AMPS ... ,TACS,NMT) and digital (GPRS,GSM, DCS,CDMA,PDC,TDMA,PHS,PCS ... court, library, exam room, school, cinema, theater, and hospital etc.2. At places where using mobile phones is prohibited such as ...