Description
Description

­Safe conversations

Protection of confidential conversations against surveillance

Digital noise generator SNHP-400

Digital noise generator SNHP-400 emits white noise with variable random parameters, works with Piezo emitters or acoustic loudspeakers to create a system protecting a room from the leakage of confidential information.

  • Omnidirectional range

    Frequency range

    10 - 5000 Hz

  • Operating time of the noise generator

    Operation time

    unlimited

  • Video player

    Power supply

    mains

  • Jamming signal level

    Signal level

    12 dB

Human speech is the oldest and most important means of disseminating information among people. The unprocessed voice, i.e. the original signal, is equivalent to a handwritten signature. Current technologies, such as laser and infrared microphones, or contact microphones, enable unauthorized interception of confidential information from longer distances, even through various types of partitions, such as windows or walls.

Digital noise generator SNHP-400 with randomly changing parameters of white noise emission works together with acoustic loudspeakers or Piezo emitters, which transform electrical energy into vibroacoustic vibrations creating noise in the frequency of human speech signal. The generator emits a white noise vibroacoustic signal, which is propagated through the transducers, creating a kind of cage inaccessible from the outside.

The digital noise generator has 4 channels, to each of which can be connected 100 Piezo transmitters, 25 per channel, and 48 loudspeakers, 12 per channel. The effective radius of jamming from one transducer is about 1 m.2.

INDIVIDUAL PRICING
Please contact us for a quote, as each room requires an individual project!!

Specification
Specification
Specification of Digital Noise Generator SNHP-400
Noise type acoustic
Frequency range 10 - 5000 Hz
Number of channels 4
Vibroacoustic signal level 12 dB
Output power 4×7W / per channe;
Permissible number of transducers 25 per channel + 12 speakers
Inaudible yes
Power source 13,8V DC, 220/230V
Operating temperature 0°C - 40°C
Humidity up to 95%
Dimensions 310×170×55 mm
Weight 2,5 kg
Set
Set
  • Digital vibroacoustic noise generator SNHP-400
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