Hidden Painting Mobile Phone Jamming Hidden Painting Mobile Phone Jamming Specifications Tx Frequency:(A)TX frequency 869-894MHz (B)TX frequency 925-960MHz (C) Tx frequency ... ) Tx frequency 2100-2200MHzAvailable system;Include analog (AMPS,TACS,NMT) and digital (GPRS,GSM, DCS,CDMA,PDC,TDMA,PHS,PCS,IDEN ... of Worship,Country Clubs,Hospitals,Meeting room,etc. Hidden Painting Mobile Phone Jamming