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Produces An Audio Blanket That Defeats Eavesdropping In Ceilings, Walls, Window Vibrations, AC Ducts, Plumbing And Other Places TSCM Sweeps Can Miss

The ANG-2000 is designed to defeat wired microphones inside walls, contact microphones, audio transmitters located in AC outlets, and laser/microwave reflections from windows.

Most sound masking systems inject noise into an otherwise benign environment. In this environment, the occupants must raise their voices above the noise level to communicate, which invariably, eliminates the benefit of noise masking. REI's masking system injects noise into the environment perimeter and not directly into the environment. This approach allows normal conversation while defeating eavesdropping devices that rely on acoustic leakage.


The REI noise masking system consist of a main unit (the ANG-2000) and three optional accessories that are purchased to tailor the system to the environment of concern.

The ANG-2000 accessories are:
TRN-2000 Transducer used to inject acoustic noise into walls, ceilings, windows, plumbing, and air ducts. OMS-2000 Omnidirectional Speaker used to project acoustic noise into drop ceiling air spaces, closets, crawl spaces, and air ducts. EAR-200 Electro-Acoustic Receiver used to evaluate the level of audio leakage and set the specific masking level.

Size: 1-3/4 x 6 x 10 in (4.4 x 15.2 x 25.4 cm)
Weight: 3.0 lbs (1.4 kg)
Output voltage: 1-12 Vp-p @ 8
Frequency range: 250 Hz - 5 kHz (3dB)
Power: 115-125 or 230-250 VAC 50-60 Hz 24 watts max
Price :
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Spy Surveillance DVR

Spy Surveillance DVR

Spy Surveillance DVR

Spy Surveillance DVR

Spy Surveillance DVR
Spy Surveillance DVR
Spy Surveillance DVR