Voice recorder jammers
Voice recorder jammers and suppressors – technical solution aimed to protect information from unsanctioned recording, in other words – such devices provide you with full protection against data leakage of personal or commercial value during the negotiations or talks.
The jammers will not allow any listening device to record your voice, when the rest of the people within the range are not aware of the jammer presence! There are several means of jamming: ultrasonic, acoustic etc. You can also use all means of jamming at the same time to provide maximum security.