DAudio BDA-2 microphone jammer

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DAudio BDA-2 microphone jammer

The device is designed to protect conversations areas from eavesdropping. Device blocks wireless microphones, tape recorders, hard-wired microphones and most of professional digital tape recorders including tape recorders installed in mobile phones (smartphones). Ultrasonic inaudible noise signal * as well as acoustic speech-like noise signal ** are used in jamming the eavesdropping devices.

DEVICE DESCRIPTION AND OPERATION

1.1. It is a portable device designed to protect conversation areas from eavesdropping.  

1.1.2. Device operating instructions:

- Surrounding air temperature, ОС.............................................................. from +5 to 55

- Relative air humidity at 25ОС, %.......................................................... up to 98

- Atmospheric pressure…………………. from 66,6 kPa up to 106,6 kPa  (from 500 mmHg up to 800 mmHg)

1.2. Technical specifications.

1.2.1. Visual appearance of the device is shown on 

1.2.2. Dimensions, mm...............................................................150х92х28

1.2.3. Weight, including batteries, kg......................................................................................... 0,27

1.2.4. Internal source of power supply, V ........................................................ 12

1.2.5. External source of power supply, V ............................................................. 15

1.2.6. Effective (maximum) range of jamming the eavesdropping devices, m....................................up to 7

1.2.7. Effective (optimal) range of jamming the eavesdropping devices, m........................................ ....2

1.2.8. Sound pressure level at 1 m distance from the device, dB.......................... up to 120

1.2.9. Installed batteries capacity, mAh...................................................1200


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