So you are worried about unauthorized microphones picking up your sensitive conversations? The GTG-ZERO Smart Microphone Jammer can help. It can protect your rooms from eavesdropping by emitting an inaudible acoustic signal. It works on voice recorders, mobile phones, and other comparable devices.
This microphone jammer weighs only 5kg, so you can easily take it around. It has 117dB signal level. It can block digital and analog eavesdropping devices.
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