ANG-2200 Acoustic Noise Generator Defends Against Eavesdropping
Here is another tool that defends against eavesdropping threats. The ANG-2200 is an acoustic counter surveillance system with 2 channels and high/low frequency controls. It lets you protect the privacy of your conversations. It has a frequency range of 125 Hz – 4 kHz and overload protection.[where to get it]
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