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. ARKANSAS, USA, April 28, 2024 ...

Watch this video on YouTube. “Unlike traditional audio jammers that transmit another sound to mask the sound, irabbler uses ultrasonic waves to completely block sound from the device.

Ultimate Ultrasonic Jammer Audio Suppressor UJ-20000 Silentek offers new ultrasonic jammer which outperforms all other units tested. The UJ-20000 proved effective against all devices tested ...

He linked to an Amazon listing of the gadget, which is an “Ultrasonic Anti-Recording Device” from a brand called Spy Associates. The jammer sells for $399.99.

Amazon is currently being investigated for selling illegal electronic devices, including radio signal jamming devices that can be used to confuse drones, thwart security systems and interfere with ...

But these devices have raised privacy concerns due to the audio logs they keep as they listen for your command. To protect your privacy, a startup called MSCHF has developed an audio-jamming ...

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. ARKANSAS, USA, April 28, 2024 ...