Do Not Buy a Cell Phone Jammer, Even if It Is Incredibly Tempting. By Torie Bosch. March 06, 2012 4:55 PM. A passenger on a Beijing bus chats on his phone. Photo by FREDERIC J. BROWN/AFP/Getty Images.

The GSM1900 mobile phone network is used by USA, Canada and most of the countries in South America. This cell phone jammer is not applicable for use in Europe, Middle East, nor Asia. The GSM jammer ...

Jammers work in much the same way online denial-of-service attacks on websites do – transmitting a signal on the same frequency as mobile phone calls in the area.

Criminologist Joseph Giacalone explained why cell phone jammers are problematic. "They can interrupt 911 calls, they can interrupt police radios, transit radios," he said.

Cell Phone Jammers Keep Peace. October 19, 2004 / 5:27 PM EDT / AP It was the reporters who noticed first. Unable to call their editors while covering the weddings of the rich and famous, they ...

Having spent the week with five teens in the mountains of New Hampshire, I sympathize with the Florida teacher who resorted to a cellphone jammer to block students' phones in class so they would ...

Cell phone jammers or signal blockers have been illegal for some time now, and while their acceptance is an issue of debate, the FCC’s position on them is not.

Cell phone jammers are devices that create a temporary "dead zone" to all cell phone traffic in their immediate proximity. Jammers are typically used by the police and military ...

Chicago man arrested for using cellphone jammer on train By New York Post Published March 13, 2016 6:28am EDT | Updated March 13, 2016 6:36am EDT ...

Laws against cell phone jammers in the U.S. apply to everyone except federal government officials. Which raises the question: Is that right?