The DNG-2300 generator, together with its transducers and speakers, counteracts all methods of listening by creating powerful, non-filterable interference on the structure of a building and within its voids.
It is well-known that sound permeates through walls, doors, water, windows and other constructions as well as through voids, cavities and ventilation shafts. This property of materials makes it possible to intercept conversations conducted within a premises with the help of highly sensitive contact microphones (electronic stethoscopes), window laser systems or conventional microphones without entering the target area. Wall contact microphones can pick up vibrations from the plumbing, structures, walls, windows, doors, floors, ceilings and more. The listening device may be in an adjacent room, or even several floors or rooms away attached to a wall, pipe or other fixture. Cavities such as air ducts, ventilation shafts or other voids can be used for intercepting sound from an adjacent premises with the help of conventional microphones.
Window laser systems are able to “read” conversations from the premises by sending visible, or invisible, infrared beams to the glass and extracting the sound vibrations from the reflected rays.
The DNG-2300 generator, together with its transducers and speakers, counteracts all the above mentioned methods of listening by creating powerful, non-filterable interference on the structure of a building and within its voids. While transducers inject their generated noise into surfaces and structures, stopping the distribution of sound through them, the role of a speaker is to fill voids, cavities and ventilation shafts with audio interference to prevent leakage of sound through the air.
The company is a distributor of two-way radios communications equipment and accessories – hand-held, mobile and base two-way radios, digital and analog radios; marine and air-band radios, license-free radios, amateur radios, receivers, cables, power-supply units, antennas, microphones, mounts; specialist police equipment.
| Type of user | |
|---|---|
| Portability |
– Creates powerful protection against the leakage of all types of vibro-acoustics by injecting non-filterable noise into surrounding structures and cavities
– Suppresses wall contact microphones, window laser systems and wired microphones inside walls, voids and ventilation shafts (air ducts)
– Is a key part of the protection system which also includes wire-connected transducers and speakers
– Generates white noise – the output interference is evenly distributed through the spectrum of a human’s voice
– All 3 channels have individual level adjustment
– Each transducer’s channel can feed up to 12 transducers mounted on solid structures (concrete, cement, bricks) and up to 24 transducers on light structures (glass, pipes, drywall, wood)
– The speaker’s channel can feed up to 12 speakers
– The mute control input allows the user to turn off the speakers temporarily
DNG-2300
– Power source: 110/220V, 50-60 Hz
– Dimensions: 6 x 17.5 x 25.4 cm
– Weight: 2.2 kg
– Output channels: 2 x transducers, 1 x speakers
– Peak output voltage: 12 V
TRANSDUCERS output (2)
– Max. output power: 2 x 10 W
– Frequency response: 180-5600 Hz
– Min. impedance of load: 3 Ohm
– Recommended transducer: TD2300
– Max. quantity of transducers per channel: 24 (light structures), 12 (solid structures)
SPEAKERS output
– Max. output power: 1 x 8 W
– Frequency response: 180-7000 Hz
– Min. impedance of load: 8 Ohm
– Recommended speaker: SP2300
– Max. quantity of speakers: 12
– DNG-2300 noise generator
– Power cable
– Transducer TD2300 4 Ohm – 12 pcs.
– Speaker SP2300 – 2 pcs
– Carrying case
Integra-A ltd. has been working on the Bulgarian market since 1993. We import, install and support systems for radio communication and internal company security.
The creation of this website was implemented under project No. BG-RRP-3.005-2452-C01 “Solutions in the field of information and communication technologies and cyber security in small and medium-sized enterprises”, financed by the Economic Transformation Program under the National Recovery and Sustainability Plan.
