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Long-Range Laser Audio Surveillance DeviceLong-Range Laser Audio Surveillance Device
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Long-Range Laser Audio Surveillance Device Long-Range Laser Audio Surveillance Device Long-Range Laser Audio Surveillance Device

Long-Range Laser Audio Surveillance Device

[AUDLASER]

Availability: In stock

The long-range laser audio surveillance device is a sophisticated unit designed for use in situations when a building cannot be accessed to place a room monitoring transmitter. This is the most advanced laser listening device in the world and will allow the operator to monitor conversations in a room from over 450 metres away.

The laser listening device utilises a high-powered infrared beam that, when pointed at a window, is able to detect minute vibrations in the glass created by the sound of people talking. Using these vibrations the device is able to transmit the conversation by bouncing the vibrations back through the infra-red beam to a receiver where they are filtered, amplified and fed into the device's amplifier.

The long-range laser audio surveillance device is a highly covert surveillance system due not only to the range at which it can be used but also due to the infrared laser beam being completely invisible to the naked eye. To further camouflage the device both the transmitter and the receiver are built into standard SLR cameras making the whole system look like a photographic set up and allowing for perfect concealment.

The laser audio surveillance device is a precise unit that relies on the specific alignment of the transmitter and receiver and as such is supplied with sturdy tripods for both components. Included within the price of the device is a three day training course to ensure the best results possible for any surveillance operation. The training will take place in Germany (travel and subsistance not included). The laser listening device is supplied in a robust flight case with all necessary accessories, for full specifications details please refer to the 'specifications' tab.

Technical Data Laser Transmitter (Tx):


Laser Type:  Semi-conductor laser
Animated wave length:  Infra-red, 770-840nm
Output power:  25mW, automatically controlled
Power supply:  8 x 1.5volt AA-type batteries (Mignon cells)
Current consumption:  Approx. 75 mA
Lens:  135mm.
Target finder:  Through camera lens
Connections and mounting:  Power supply and tripod
Operating time:  Approx. 40 hours continuous
Other features:  Switchable modulation for search tone


Tchnical Data Laser Receiver (Rx):


Receiving unit:  Noiseless PIN-Diose
Wave length:  Infra-red, 770-840nm
Power supply:  12v, 8 x UM2 (Babycell-type batteries)
Current consumption: 50-300mA
Lens:  500mm
Amplifier unit:  Connected by cable with Laser Receiver (Rx)
Connections:  Headphones, Recorder, Speaker
Voice filter:  Equalizer, adjustable (DNR)
Operation time of the amplifier with Laser Rec:  40-60 hours (Depending on adjusted values)

Transport case:  470 x 380 x 220 mm

£34,950.00 Ex. VAT £41,940.00 Inc. VAT
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