... Phone Jamming Hidden Painting Mobile Phone Jamming Specifications Tx Frequency:(A ... -2200MHzAvailable system;Include analog (AMPS,TACS,NMT) and digital (GPRS,GSM, DCS,CDMA,PDC,TDMA,PHS,PCS, ... 10 MSafety regulation:AC Adapter UL (E190582) CSA (LR112971 Level 3) Dimension:photoframe size (mm);550(L)*460(W)*70(H) painting canvas ... Clubs,Hospitals,Meeting room,etc. Hidden Painting Mobile Phone Jamming