In order to help control voice privacy, we offer Defeat Systems. Confidential personal and business information can only stay confidential if no one else has access to them. Defeat systems fight electronic eavesdropping equipment that can compromise conversation security.

Defeat systems include the tape recorder nullifier and the laser listening defeat system. Both involve technologies to counter audio surveillance listening devices.



Tape Recorder Nullifier

The tape recorder nullifier is a defeat system used prevent others from recording your voice conversations. 


Laser Listening Defeat System

The laser listening defeat system is one of several electronic countermeasures used to block audio surveillance listening devices.


Defeat Systems