Description
Description

White noise generator - ANG-2200

A professional tool of the American REI (Research Electronics International) brand enables creating a signal which allows to protect the room efficiently against listening-in from outside. Prevents the various types of surveillance: by use of wired microphones hidden in walls, seismic wiretaps, transmitters installed in electric system, parabolic microphones, laser and microwave wiretaps.

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White noise generator - ANG-2200 enables generating truly random noise, so there is no possibility of recovering its characteristics basing on statistical tools, which would enable filtering the signal of speech from the recorded disrupted data. Additionally, two independently regulated channels (changing of intensity and frequency components of noise) allow using one generator in a place where there are different disrupting signal characteristics needed. For example – one generator may be used for protecting walls and windows.

The White noise generator - ANG-2200 should be adjusted to use in a given room with taking its characteristics into account – its surface, number of windows and doors and amount of adjacent empty spaces. Disruption with random signal is implemented in the structure of building by use of special TRN-2000 converters designed for this purpose. They are installed once a given distance, inside the walls, floors and ceiling, on windows (thanks to additional WMT-2000 grips) and in doors. OMS-2000 multi-directional masking speakers are used for protection of adjacent empty spaces. The analysis of the spectrum of leak from the protected room and optimization of system's operation is performed by a specialist White noise generator - ANG-2200 software.

Main features of the White noise generator - ANG-2200

  • Truly random noise – it is impossible to filter the speech signal.
  • Two independent channels with regulation of noise characteristics which allows to use the generator with different elements of building's construction.
  • Creates an acoustic shield around the room, making the surveillance impossible.
  • Does not interfere with conversation, does not cause hearing fatigue.
  • Universal solution which may be used and optimized for protecting a given room against surveillance.
Specification
Specification
Specification of White noise generator - ANG-2200
Two independent sources of random noise yes
Output voltage 10 Vp-p at 6 Ω(2 Ω minimum)
Frequency range 125Hz to 4kHz
Regulation of frequency response
  • LF 180 Hz ± 12 dB
  • HF 3 kHz ± 12 dB
Power supply of the white noise generator 12 VDC at 1A (AC adapter included)
Dimension 4.1 × 10.6 × 17.8 cm
Weight of ANG-2200 5 kg
Brand
Brand
Research Electronics International (REI)
Research Electronics International (REI) was founded in 1983 in Cookeville, Tennessee USA. REI's customers include government agencies, law enforcement agencies, security companies and professionals involved in surveillance security and protection of confidential information. REI engineers are focused on designing compact products with superior performance and usability. New products are based on the experience of professional teams. The wide range of devices includes equipment such as surveillance device detectors, jammers, high-end cameras and electromagnetic spectrum analyzers.
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In box
In box
  • White noise generator - ANG-2200
  • TRN-2000 converters
  • Power pack
  • User manual
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