4 REASONS TO USE A JAMMER
WHAT IS A JAMMER?
Jammers are devices that disrupt the normal signal flow of devices such as cellphones, GPS receivers, and even radios. In general, it is very difficult to detect that your phone or GPS signal has been jammed. However, it is easy to see the effects of a signal jamming. When a jammer is in action nearby, you will experience poor signal quality.
