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en.wikipedia.org/wiki/Mobile_phone_jammer

A mobile phone jammer is an instrument used to prevent cellular phones from receiving signals ... United States: Cell phone blocking devices are used by federal officials under certain circumstances. Privacy rights of property owners may ...

www.jammerfromchina.com/categories/Mobile_Phone_Jammers

Mobile phone jammers can block the latest phone signals are here. Easy to picking up the suitable device by choosing the jamming distance, the blocking ...

www.jammer-store.com/gsm-blockers-jammers.html

JF100 is a great jammer to completely disable all cell phone frequencies in the area up to 100 square meters. Covered by front plastic table it is invisible to other  ...

www.jammer-store.com

Jammer Store is one of the leading manufacturers of cell phone signal jammers and cell phone blockers, GPS and WIFI jamming equipment, mobile phone ...

electronics.howstuffworks.com/cell-phone-jammer.htm

A cell phone jammer allows people to exploit the vulnerability of the radio spectrum to silence blabbering offenders. See how cell phone jammers work.

www.pcmag.com/article2/0,2817,2485587,00.asp

Jun 8, 2015 ... The news about teacher (and former pro-wrestler!) Dean Liptak getting in hot water for blocking cell phone signals in his Fivay High School ...

www.thesignaljammer.com

The Signal Jammer. Cell phone jammer and mobile GSM blocker devices for sale. Free Shipping, One year warranty. Buy the best quality professional ...

www.cnn.com/2012/03/05/tech/mobile/cell-phone-jammer/index.html

Mar 6, 2012 ... Fancy gadgets that can be used to jam cell phone signals are illegal and potentially dangerous, experts say.

www.thesignaljammer.com/pages/Cell-Phone-Blocker-Device.html

The small cell phone signal blocker device sold for $30 and why we don't carry them. Free shipping and 1 year warranty on all our products.

www.cnet.com/news/man-put-cell-phone-jammer-in-car-to-stop-driver-calls-fcc-says

May 1, 2014 ... Florida man fined $48000 for driving around with a phone jammer in his car. Police alerted when Metro PCs reports constant problems with a ...