Laser Room Monitoring System

A secret surveillance is necessary. However, the operator is not able to enter the target room in order to place a transmitter. The solution to this problem is our Laser Room Monitoring System GD 7800.

This system allows the operator, to carry out an undetected surveillance operation from outside the building.

GD 7800 consists of three parts :

This system is operated by transmitting an invisible infrared beam to the window of the target room. The window pane vibrates slightly, due to sound waves emanating from speech. The beam is reflected from the window pane according to the law of optics, i.e. the angle of incidence is equal to the angle of reflection. The reflected beam, modulated by the window pane vibrations, is picked up by the receiver and converted into electronic signals, which it filters, amplifies and feeds into a recording unit. The recording unit is connected to an amplifier with speaker or headset.

Both, the transmitter and the receiver are built into standard single lens reflex cameras, allowing for perfect concealments. The complete set will be supplied in a camera case with built in recorder, 2 pcs. Of tripods and 1 micrometer platform with adjustable Y/X axis and searchtone - detector.

Technical Specifications

Laser Transmitter

Laser Receiver