Silentek's covert ultrasonic jammer looks like a speaker but is a powerful anti-recording device. It was effective against all devices tested, including iphone ...
Silentek offers new ultrasonic jammer which outperforms all other units tested. The UJ-20000 proved effective against all devices tested, including iphones. USA ...
If you are looking to be a little more covert and stop any GPS recordings, phone recordings or video recordings of any kind you might be interested in a new portable device called the iRabbler.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback