Tags: TSCM

The Stealth SM2020 is the most advanced portable speech protection system which protects you against listening and recording devices. The Stealth SM2020 creates sound barrier interference which masks your speech and any sound to be extremely difficult or ...

The only way to reliably detect wireless protocols is to use preselected chips (saw filters) which attenuate all other signals except the desired ones. This is the method implemented in the Protect Stealth 1207i which has 6 channels for different frequenc ...