Microphone non-linearity is recognized as a gateway for establishing secret communication channels and as a malicious backdoor for injecting hidden voice commands. In the previous article, Ultrasonic Jammers: All You Need to Know, some representative microphones jamming methods were explained - like RF jammers, audio jammers and ultrasonic jammers.
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.
Read about what machine learning could do to the future of job market, and discover which jobs will be in danger and what are the new jobs that are emerging which have never existed before.
Hidden Style 8W 3G 4G Cellphone Blocker & WiFi Blocker