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.

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 ...

Today’s phone microphones are perfectly adept at picking up sound in all sorts of conditions, and they’re backed by all kinds of processing techniques to filter out noise and capture ...

Silentek offers new ultrasonic jammer which outperforms all other units tested. The UJ-20000 proved effective against all devices tested, including iphones. USA ...