HIGH Power 3G ALL NETWORKS CELL PHONE JAMMER 40 meter range, continuous use, please contact us for price. 60 meter range, continuous use, please contact us for price. Blocks all netwroks including the latest 3G phones. Best cell phone jammer for medium size office, meeting room, classroom, clinic. TX frequency 869/851 ~ 894 MHz TX frequency 925/935 ~ 965 MHz TX frequency 1800 ~ 1990 MHz TX frequency 2110 ~ 2170 MHz Cover interface standards: AMPS,N-AMPS, NMT,TACS,GSM,CDMA,TDMA,IDEN,UMTS Total output power ： EIRP 12W Patch Antenna - integrated of Gain 5 dBi of each band Designed to cut off wave only in the down-link band width, Therefore it doesn’t affect any Interference to base station and repeater. Jamming range ： diameter 30 -40 M 【 the signal intensity must ＜ -80db in the location 】 Automatic power switching power supply ： 50/60Hz/AC 100 ~ 240V to DC 12V Remote Control IP68 Waterproof Housing Outdoor design Device Dimension：38.5cm (L)× 33cm(W)× 16.5cm(H) Device Weight: 5.5kg Operating temperature: -10 ℃ ~ + 60 ℃ Storage Temperature -30 ℃ ~ + 70 ℃ Humidity: 95% non-condensing Inner hand carry Box: 39.5 x 33 x 17cm / Weight 3kg This comes in 2 models, America or Europe. Payment can be made thru paypal in EURO or US Dollar. 40 or 60 meter range Our paypal account is sales@infostream.biz Express Mail Service shipping takes about 3 to 5 days. Thank you. Check out other Cell Phone Jammers