If you’ve ever felt like creating you own phone-free zone by jamming the irritating people yakking loudly on their cellphones, then you’re not the only one. The Naval Surface Warfare Center ...

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

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.

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.

In four Monterrey churches, Israeli-made cell phone jammers the size of paperbacks have been tucked unobtrusively among paintings of the Madonna and statues of the saints.

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 ...

A Florida man who was caught using 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 ...

SPOKANE, Wash. - Just days after testing a cell phone jammer designed to block students from calling and texting during class, a Spokane area school has scrapped the program. Administrators ...

The backpack-jammers are expedients. They might offer some protection from ever-present drones while Russian industry scales up production of purpose-made vehicle-mounted jammers.