Scan25 Letter Parcel Bag
scan25 letter parcel bag
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This unit is a Professional Wall Contact Microphone device, designed to listen through walls and virtually any other surface including windows, concrete, steel, floors etc. This device is ideal when access to the targeted premises is difficult or impossible.
The device uses a high gain extremely sensitive ceramic microphone made from stainless steel. The sensor has a magnetic base with a central protruding needle connected to the ceramic sensor and converts the vibrations into electrical audio signals, these audio signals are then amplified so that they can be heard. It also incorporates an audio filter control adjustment allowing the enhancement or rejection of different sounds.