USJ mini Box with accumulator

Descripton


USG Jammer box is a device used to place the mobile phones or another recording devices of your business partners or employees and provide a secure environment for conducting meetings without the fear that one of the participants will secretly record part of the meeting on their mobile phone or send the recording online outside the meeting room.

On the other hand, participants can keep their mobile phones in plain sight at all times, ensuring that their devices are not tampered with.

The box is made of painted aluminium, covered with smoked plexiglass. The size is sufficient to
accommodate 2 smartphones without overlapping, as shown in the diagram below. Multiple devices can be placed over each other without significant loss of efficiency.

Just make sure that the devices inside do not overlap the ultrasound generating piezoelectric
module. This could reduce the effectiveness of the jamming quite a bit.

How it works
  • Devices that are to be prevented from recording communication can be placed on the board freely (they may overlap, this does not significantly reduce efficiency)
  • When the cover is closed (having the small switch magnet facing to the back side), device automatically starts generating ultrasound which overwhelms the microphones of the devices inside and completely prevents any sound recording in the room.
  • Acoustic signal corruption caused by ultrasound and by limitation of electric signals in device circuits makes original audio signal unrecoverable.
  • The device has a built-in timer which is factory set for 3 hours (other times can be set on request). After this time, the ultrasound interference will be switched off even if the cover is covered. To continue jamming, simply lift cover slightly and put it down again.
  • To keep the box covered, but inactive, rotate the cover by 180°, i.e. place the small switch magnet on the cover side forward.
  • Device is 100% safe. There is no risk of damage microphones or any other circuits of the devices placed inside.

Technical data

  • type description: USJ-03 Box mini
  • dimensions: 325 x 225 x 85mm
  • inner space: 290 x 190 x 32mm
  • weight: 5.5 kg
  • power supply: mains adapter 100-240V / 12 V DC / 2A
  • Optionally, the device can be equipped with an internal accumulator for 3-4 hours of operation.
  • maximum power consumption: 15 W
  • ultrasound frequency: 25 kHz
  • operating temperature range: 0 to 30 °C
  • colour, material: board: painted alluminium
  • cover: acrylic glass
  • intended for use in dry indoor environments only
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