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http://www.jammergroup.com/Mobile-Phone-Signal-Jammer-p-95.html Product Description Features Are you sick of those pesky mobile phone ring tones and MMS tones during your presentations and meetings? Silence everything, with this handy high powered mobile phone jammer your meeting room or presentation hall will be whisper quiet. With completely silent operation and adjustable strength for each band, the versatility is there to only block the phone carriers you don’t like. A well built heat dissipative design ensures that this unit will not over heat during the meeting and a typical range of 15 meters will make sure you silence even the far reaches of the room. Compact size – only slightly bigger than a standard IPOD (antennas off) Can be run on AC power or battery power Electrical power and recharging from AC charger (110/220V) Certified by the Security Ministry of China, so you know it works well! Buy this great jammer today at fantastic wholesale prices from alljammer...

http://www.jammergroup.com/Mobile-Phone-Jammer—10m-to-30m-Shielding-Radius—with-Remote-Controller-p-91.html Product Description Features This mobile phone jammer is a powerful cell phone signal shield. It disables nearly all kinds of cell phone signals. If you really don’t want to be interrupted by personal calls at important meeting or something else, then you’ll require this useful item – mobile phone jammer. Effective shielding radius: 10-30m (Depending on the strength signal in given area) No harm to human being, eco-friendly With omni-directional antennas Easy to install and operate Technical Specifications Cover interface standards: Digital: IDEN, TDMA, CDMA, GSM and UMTS Analog: AMPS, NMT, N-AMPS, TACS Total output power: 8W (CDMA800: 2W, GSM900:2W, 1805-1990: 2W, 2100-2200: 2W) Signal Source PLL synthesized Antennas External Omni directional Every band frequency can select output power All the TX frequency covered down link only Automatic power switching...

http://www.jammergroup.com/High-Power-Portable-Signal-Jammer-for-Cell-Phone–CDMA-GSM-DCS-PCS-3G–p-85.html Product Description Features High Power Portable Signal Jammer – a powerful and portable solution for completely blocking nearby cell phones. With this HIGH POWER Portable Signal Jammer, you get a TRUE working radius of up to 20 meters. So how does it work? Just turn it on when conducting your company presentation, meeting, worship service, legal proceedings, or other important activities, and you will instantly have complete security and a disturbance-free environment. At a Glance… High powered portable signal jammer Palm Sized Highly portable design, easy to carry 20 meter jamming radius Highly efficient jamming effect by the high power of 3Watt design Car adaptor available Optional cover to make the jammer more convenient to carry No setup necessary; turn it on for immediate jamming Internal cooling allows for extended use Technical Specifications Isolating...

http://www.jammergroup.com/High-Power-Portable-Mobile-Phone-Jammer-CDMA-GSM-DCS-PCS-3G–p-84.html Product Description Features This is a powerful cell phone jammer .it is able to avoid the leakage of secret information through your mobile phone. Also it is a necessity for law enforcement and private places to interrupt communications by criminals and terrorists, and also for accomplishing a more cultured society. Technical Specifications Power: CDMA:25dbm  GSM25dbm  DCS:25dbm or PCS:25dbm Frequency: -CDMA(851MHz-894MHz) -GSM(925MHz-960MHz) -DCS(1805MHZ-1880MHZ) -PCS(1930MHZ-1990MHZ) -3G(2110MHZ-2180MHZ) Automatic power switching power supply: 50 / 60 Hz / AC 100 ~ 240V transmitting to DC12V Jamming range:  Radius 5-10M for Mobile Phone the signal must Total output power: 900mW Battery: Ni- ion battery DC8.4V/2600mA/h Continue using time: around 120 minutes Size: L110 x W62 x H30 mm Weight: 300mg Accessories Jammer 3*Antennas AC adaptor Car adaptor

http://www.jammergroup.com/High-Power-Desktop-Signal-Jammer-for-GPS-Cell-Phone–Extreme-Cool-Edition–p-76.html Product Description Features High Power Desktop Signal Jammer – a powerful solution for completely blocking nearby cell phones and GPS signals. It can be usable worldwide. With this HIGH POWER Signal Jammer, you get a TRUE working radius of up to 25M. So how does it work? Just turn it on when conducting your company presentation, meeting, worship service, legal proceedings, or other important activities, and you will instantly have complete security and a disturbance-free environment. Sick of being tracked like a criminal? Turn this portable signal jammer on to block all GPS signals and go where you want without worrying about being tracked by any GPS devices that might have been installed by your wife or boss (or both!). When turned on, you get instant jamming and when you turned it back off, all GPS devices and other network activity will automatically be re-established...

http://www.jammergroup.com/Cell-Phone-Jammer—10m-to-40m-Shielding-Radius-p-62.html Product Description Features This mobile phone jammer is a powerful cell phone signal shield. It disables nearly all kinds of cell phone signals. If you really don’t want to be interrupted by personal calls at important meeting or something else, then you’ll require this useful item – mobile phone jammer. Effective shielding radius: 10-40m (Depending on the strength signal in given area) No harm to human being, eco-friendly With omni-directional antennas Easy to install and operate Technical Specifications Cover interface standards: Digital: IDEN, TDMA, CDMA, GSM and UMTS Analog: AMPS, NMT, N-AMPS, TACS Total output power: 9W (CDMA800: 2.5W, GSM900:2.5W, 1805-1990: 2W, 2100-2200: 2W) Signal Source PLL synthesized Antennas External Omni directional Every band frequency can select output power All the TX frequency covered down link only Automatic power switching power supply: 50 / 60...

http://www.jammergroup.com/Cell-Phone-Jammer—10m-to-30m-Shielding-Radius—with-Remote-Controller-p-61.html Product Description This mobile phone jammer is a powerful cell phone signal shield. It disables nearly all kinds of cell phone signals. If you really don’t want to be interrupted by personal calls at important meeting or something else, then you’ll require this useful item – mobile phone jammer. Effective shielding radius: 10-30m (Depending on the strength signal in given area) No harm to human being, eco-friendly With omni-directional antennas Easy to install and operate Technical Specifications Cover interface standards: Digital: IDEN, TDMA, CDMA, GSM and UMTS Analog: AMPS, NMT, N-AMPS, TACS Total output power: 8W (CDMA800:2W, GSM900:2W, 1805-1990: 2 W, 2100-2200: 2W) Signal Source PLL synthesized Antennas External Omni directional Every band frequency can select output power All the TX frequency covered down link only Automatic power switching power...

http://www.jammergroup.com/Cell-Phone-Jammer—10m-to-30m-Shielding-Radius—with-Remote-Controller-p-61.html Product Description This mobile phone jammer is a powerful cell phone signal shield. It disables nearly all kinds of cell phone signals. If you really don’t want to be interrupted by personal calls at important meeting or something else, then you’ll require this useful item – mobile phone jammer. Effective shielding radius: 10-30m (Depending on the strength signal in given area) No harm to human being, eco-friendly With omni-directional antennas Easy to install and operate Technical Specifications Cover interface standards: Digital: IDEN, TDMA, CDMA, GSM and UMTS Analog: AMPS, NMT, N-AMPS, TACS Total output power: 8W (CDMA800:2W, GSM900:2W, 1805-1990: 2 W, 2100-2200: 2W) Signal Source PLL synthesized Antennas External Omni directional Every band frequency can select output power All the TX frequency covered down link only Automatic power switching power...

http://www.jammergroup.com/Adjustable-Remote-Control-High-Power-Desktop-Cell-Phone-Jammer-with-2-Cooler-Fans-p-59.html Product Description This Desktop size Remote Control High Power phone jammer is mainly to block mobile phone signal to protect important event. This jammer is able to avoid the leakage of secret information through your mobile phone. Also it is a necessity for law enforcement and private places to interrupt communications by criminals and terrorists, and also for accomplishing a more cultured society. The adjustable features can make its effective jamming range be far or near as you want. The jammering rang is up to 25M. Easy installation process you can know from the manual directly. Pick one right now from alljammer at factory direct price. If you want to enjoy more choices, please simply click the jammers and you will be satisfied. Desktop size Remote Control High Power phone jammer Technical Specifications: Frequency for America: GSM850, GSM900, GSM1900 & W-CDMA...

http://www.jammergroup.com/6-Band-Radar-Style-Cell-Phone-Jammer—Extreme-Cool-Edition—p-49.html Product Description Features T135006 is a 6-Band radar shape portable cell phone jammer. It is the latest independent research and development of a plastic casing, dual fan, built-in antenna, and uses a dedicated industrial power signal jammer cell phone, and its style is not any one of the novel has an interesting style radar It includes almost all current mobile phone signal band (including the latest in 3G services), and targeted for signal jamming, excellent design and raw materials made it the degree of life and utility greatly increased, And it is particularly suitable for examination of all places.    6 band design The cell phone jammer in a 6-band design, a fundamental solution to the jamming signal instability, sporadic phenomenon, the absolute cell phone text messages can be masked, even from mobile phone base station signal transmission can be guaranteed of more recent...