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Nov 4, 2007 ... As cellphone use has skyrocketed, making it hard to avoid ... the cellphone jammer, a gadget that renders nearby mobile devices impotent. ...
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www.nytimes.com/2007/11/04/technology/04jammer.html
www.nytimes.com/2007/11/04/technology/04jammer.html
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; Smaller jamming devices are battery operated. Some look like cell phone and use cell-phone batteries. Stronger devices can be plugged into a standard outlet or wired into a vehicle's electrical system.
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electronics.howstuffworks.com/cell-phone-jammer3.htm
electronics.howstuffworks.com/cell-phone-jammer3.htm
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in Europe it's usually 900 or 1,800 megahertz.) All a cell-phone jamming device needs to do is broadcast a signal on those same frequencies, and it will interfere with any devices trying to transmit in that range.
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www.slate.com/id/2092059/
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prison jammer specialists, cell phone jammer, mobile phone signal blocker,YK300, SRC300, 3G, 3G jammer, cell phone jammer for 3G, 3G cell jammer, 3G cell phone jammer, 3G mobile blocker,cell phone jammers, cell phone detectors and other security products for all worldwide use are available now from Global Gadget UK...
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SH066P Handheld Dual Band; Cell Phone Jammer; ... Note - The use of jamming equipment is prohibited in some countries. It is the responsibility of the customer to ensure that they have the legal right to import these products before purchasing from us.
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www.globalgadgetuk.com/Personal.htm
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Engadget reports on a story in the The New York Times on the difficult time hotel guest have in getting cell phone reception - raising the question if hotels in America are using cell phone jamming devices.
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www.textually.org/textually/archives/2004/09/005231.htm
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Antenna Systems & Solutions offers cellular phone jammers, cellular phone immobilizers, cellphone breakers and other cellular phone jamming devices of different models like CJ7, CJ7A, CJ8A, CJ9A, and CJ10 for hostage negotiation, anti-terrorist task forces, prisons, and court rooms, and bomb jammers for bomb security,cell ...
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www.antennasystems.com/cellphonejammer.htm
www.antennasystems.com/cellphonejammer.htm
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You've probably wished that you had some kind of magic button that could jam their phone and end their conversation. ... There are a variety of devices that range from $50 to hundreds of dollars. Some you can carry in your pocket for short range jamming, and larger ones are often used discreetly by bookstore owners and the...
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www.digitaljournal.com/article/245257/Cellphone_Jamming...
www.digitaljournal.com/article/245257/Cellphone_Jamming_Devices_On_the_Rise
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www.cellular.co.za/news-new_cellphone_jamming_devices.h...
www.cellular.co.za/news-new_cellphone_jamming_devices.htm
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