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?
Why were cell-phone jamming devices originally developed?
to interrupt communications by criminals and terrorists
to force hotel guests into using in-room phones at high rates
to stop corporate espionage by blocking voice and photo transmissions from camera phones
How does a jamming device overpower a cell phone?
by transmitting a signal on the same frequency
by transmitting a signal on a different frequency
by sending a low-level electromagnetic pulse
High-powered cell-phone jammers can shut down service how far away?
500 feet (152 meters)
1 mile (1.6 kilometers)
5 miles (8.0 kilometers)
In 2004, France legalized cell-phone jammers in which of the following places?
Cell-phone jamming reportedly foiled an assassination attempt on which world leader?
U.S. President George W. Bush
Pakistani President Pervez Musharraf
U.K. Prime Minister Tony Blair
Which U.S. federal agency is charged with enforcing jamming laws?
The ___ is the part of the jammer that generates the radio signal that interferes with the cell-phone signal.
How do you know your cell phone has been jammed?
Your phone quickly overheats.
A denial-of-service message flashes on the phone's display.
If you think your cell phone is jammed, what should you do?
Buy a new phone. Your old one is fried.
Walk away from the immediate area.
Make a citizen's arrest and detain the suspect until the police arrive.
What are some alternatives to cell-phone jamming?
hand a note to the obnoxious person blabbing away, saying you couldn't care less about his or her conversation
build and live inside a thick concrete bunker that blocks radio signals