Who hasn’t fantasized about throwing someone’s cell phone out the window after unwillingly hearing way too much of his or her conversation? Cell-phone jammers silence these yappers and all other calls, obnoxious or otherwise, in a given area. But are they legal? Here are some questions about jammers.you can see how much do you know.
1.Why were cell-phone jamming devices originally developed?
Cell-phone jamming devices were invented as a tool to help law enforcement and the military block cellular communications. Several past terrorist attacks have relied on cell phones to trigger explosives.
2.How does a jamming device overpower a cell phone?
A jamming device transmits on the same radio frequencies as the cell phone, disrupting the communication between the phone and the cell-phone base station in the tower.
3.High-powered cell-phone jammers can shut down service how far away?
In the right environment, some high-powered jammers can disrupt cellular service up to 5 miles (8 kilometers) away.
4.In 2004, France legalized cell-phone jammers in which places?
France decided to legalize cell-phone jammers in movie theaters, concert halls and other performance spaces.
5.Cell-phone jamming reportedly foiled an assassination attempt on which world leader?
A cell phone jammer thwarted an assassination attempt on Pakistani President Musharraf in December 2003. When President Bush visited London in November 2004, British police considered using jammers to protect the president’s motorcade through London, according to reports.
6.Which U.S. federal agency is charged with enforcing jamming laws?
The Federal Communications Commission is charged with enforcing jamming laws. If you violate the law in the U.S., you could be slapped with an $11,000 fine.
7.What is the part of the jammer that generates the radio signal that interferes with the cell-phone signal?
The voltage-controlled oscillator is responsible for producing the radio signal that will block cell-phone usage.
8.How do you know your cell phone has been jammed?
You probably wouldn’t know that your cell phone has been jammed. The phone just indicates that there’s no service or no signal from the network. It wouldn’t be that different from being out of range of your provider.
9.If you think your cell phone is jammed, what should you do?
There’s no need to make a citizen’s arrest. You may be able to get out of the jammer’s range with just a few steps.
10.What are some alternatives to cell-phone jamming?
While concrete bunkers and many, many notes may do the trick, listening to other people’s annoying cell-phone conversations seems to be unavoidable, that is, unless you live in a country where cell-phone jammers are legal.