NEW YORK — A cafe customer fed up with cell phone chatter sits in a bubble of blissful silence as nearby patrons puzzle over dead handsets. A man tries to take a secret snapshot with his camera ...

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 ...

Cell Phone Jammers Keep Peace. October 19, ... Users get a "no service" or "signal not available" message on their cell phones. Although Mexico has no law against the devices, ...

While riding the bus, my cell phone signal suddenly went out, which is not normal, and continued to search for a signal for 15 minutes. After a little while, I noticed that everyone else on the ...

Jammers are relatively simple, as they simply rely on flooding the frequencies that cell phones use with electromagnetic noise, blocking any effective transmission within a limited radius.

Unlike Larger Jammers, which can Cause Issues with Cell Service Outside of the Prison, Micro-Jammers Use a Short-Range Jamming Signal to Prevent a Prisoner’s Cell Phone from Working LOS ANGELES ...

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.

THE INCESSANT ringing was bad enough, but when patrons of the Whiteley Shopping Centre's cinema in London began answering their cellular telephones mid-movie -- shouting to be heard above the ...

Mobile signal jammers at Mysuru prison not working since 3 yrs Karnataka's prison administration faces scrutiny after special privileges were given to select inmates at Bengaluru Central Prison.