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Portable ultrasonic microphone jammer SEL-310 Komar

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SEL-310 "Komar" is a small size microphone (including mobile phone microphones) and audio recorder jammer for personal use that helps secure sensitive audio information during conversations at meetings indoors, in the open air, or inside a car. It can be easily and quickly deployed in a car interior, on a table in a meeting room, or camouflaged inside a modified messenger bag, briefcase or purse.
DESCRIPTION

Despite it's small size, SEL-310 "Komar" is a high-power and efficient microphone jamming device due to it's thought-out design, that includes high-quality directional ultrasonic transducer array that pushes a complex, tailor-made noise waveform on a frequency band that is below human hearing point, but right in the zone of common audio microphone bandwidth, applying a constant noise pressure on the microphone's membrane.

Distinctive features:

  • An array of 10 high-quality piezo-ceramic transducers, controlled by a microchip that automatically shifts the noise signal in time and frequency domains, achieving best possible jamming efficiency and rendering any actual speech signal on the microphone unintelligibile.
  • Flexible power supply: device can draw power either from the 220 V mains, from a car 12 V onboard power supply socket, or from a built-in Li-Pol battery.
  • Easy to use control: can be turned on/off via a button switch on the device, or wirelessly with a special RF remote control.
  • Indicator dashboard: device constantly gathers self-diagnostic and battery charge data and outputs it to an easy-to read LED indicator dashboard on the back panel of the device.
  • Long battery life: not less than 5 hours of constant operation on full charge.

SEL-310 "Komar" standard package contents:

  • SEL-310 "Komar" microphone jammer in metal case, black color finish;
  • Power supply adapter for 220 V mains;
  • Power supply adapter for car 12 V lighter socket;
  • USB power supply cord;
  • RF remote control with spare CR2032 battery;
  • Owner's manual;
  • Cardboard shipping box.
Option, upon request:
  • Modified briefcase/purse/messenger bag for camouflage.
  • Specifications
    Generated noise frequency bandwidth  24 - 26 kHz
    Number of ultrasonic transducers 10 pcs
    On/off switch button or RF remote control
    Average effective jamming range 4 meters *
    Operation time from battery not less than 5 hours
    Time to fully charge battery not more than 5 hours
    Case material metal
    Overall dimensions 110x110x45 mm
    Weight  0.4 kg
    Operating temperature from 0 to +50 °C

    * Effective jamming range may vary based on type of microphone of the audio device and it's relative position to the jammer.