Acoustic TSCM Equipment

Ultrasonic Chirpers/Jammers
Equipment which generates a 140 db pressure wave with a swept frequency from 25 kHz to 65 kHz. Five separate transducers are driven at a time (each on its own frequency), the result is that most microphones in the area will begin to sing or squeal, and as a result may be detected with an ultrasonic or audio spectrum analyzer. Also this type of system will jam some audio microphones and pickup devices.
(Note: Most TSCM people make their own units and conceal them in a briefcase)

White Noise Jammers
This equipment creates a "bubble" of noise around an area where private discussions are taking place. Small transducers are affixed to various solid objects in the area such as wall, floors, windows, and a small amount of almost inaudible static or hash is generated on the surface of the things to which the transducers are attached. The results is that the effectiveness of an eavesdropping device is diminished, but not totally negated.

A good example of this is the ANG-2000 System for fixed usage, and the PNG-200 for portable usage.

Audio Preamps and Amplifiers

1059 - Audio Preamplifier

1019 - Preamplifier/Amplifier

1079 - Power Amplifier

2010A - Doppler Stethoscopes

2046I - Inductive Stethoscope

2047U/C - Ultrasonic/Contact Stethoscope

2049M - Electronic Stethoscope

4020 - Mini Stethoscope

8010C - Metal/Mineral Detector

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