... :1805-1930 MHzAvailable system : Include analog (AMPS,TACS,NMT) and digital (GPRS,GSM, DCS,CDMA,PDC,TDMA,PHS,PCS,IDEN ... library, exam room, school, cinema, theater, and hospital etc.2. At places where using mobile phones is prohibited such as government, military ... , finance, security, police and command center etc. Hidden ...