Portable Jammer of Microphones and Audio Recorders- 20MJ-20
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The 20MJ-20 is a highly effective ultrasonic jammer. It is designed to protect confidential information during meetings and conversations. It generates a unique ultrasound signal that blocks the microphones within the range of the device without interfering in the conversation.The Ultrasound jammer 20MJ-20 is a set of two separate jammers that could work individually (separately) or synchronously. One of the jammers works at 25 KHz and the other at 33 KHz. Several jammers operating at 25 KHz only (respectively at 33 KHz) can be used simultaneously. The jamming range depends on the type of the microphone and its design. The optimal microphone jamming is from 0.5 to 2 meters. |
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