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 ...

High Quality Cell Phone Jammers Are Offering Here. Date. 10/8/2014 2:37:16 AM ...

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 ...

Jason Humphreys, 60, said he was 'fed up' of seeing drives on their phones ...

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.

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, ...

The posting, titled 'Cell Phone Signal Jammer—$88 (Tupelo, Mississippi),' read in part: 'This jammer system comes with a built in rechargeable Li-ion battery for hours of signal jamming, ...

A Florida man who used a signal jammer during commutes in an effort to stop drivers using their handsets has this week been hit with a $48,000 fine by the Federal Communications Commission (FCC).

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.

Jamming machines block cell phone signals, but the technology is banned in state prisons thanks to the Federal Communications Act of 1934 which passed long before cell phones were invented.