Name: F-12 Anti Recording Monitoring Eavesdropping Ultrasound Microphone Prevention Guard
SKU: 274325

F-12 Anti Recording Monitoring Eavesdropping Ultrasound Microphone Prevention Guard

$ 60.37

$ 78.48

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The F-12 ultrasonic acoustic wave anti-recording guard emits ultrasound wave that interferes with microphones. This includes smart speaker, phone, tablet, recorder, listening device, camera etc. It eliminates voice recognition systems and overrides sound activation, sound recording, monitoring devices.

Simply place where sensitive or private conversation is to take place and switch on. It emits acoustic ultrasound wave that overrides microphones nearby. Position wisely and talk away from suspect area for best results, not placed well can impact it effectiveness. The distance covered is 3-8 square metres over 360º coverage.

With so many types of microphones / variables and circumstances its not possible to guarantee 100%. Certain variables can be guaranteed if used correctly and wisely. Sound can be heard on any microphones when in use and human ear only hears a mild hum when within 1-3 metre .

The principle of this anti recording guard is to emit ultrasound acoustic waves to interfere with the normal function of microphones. Its core technology is an advanced algorithm and chip which generate and run ultrasonic sound waves targeting the transmission frequency of sound media. Resulting in 4 models of military grade ultrasonic generator anti-recording shield.

1. Anti-recording / anti-eavesdropping / Anti-listening device.
2. Easy to use: 5 output directions, two gears, shielding angle 360 degrees.
3. Working principle: Ultrasound acoustic wave interference
4. Application: meeting, Business interview, Personal communication, Confidential / private conversation.
5. Function: protect your privacy and prevent eavesdropping. Prevent phone voice recorder / prevent digital voice recorder / prevent camera audio.

Model F12 is designed to place in room where smartphone / tablet / suspect hidden recorder / listening device / hidden camera. It has 3-8 square metre range with 360º coverage and perfect to stop any suspect recording or sound monitoring. It has built in battery or can be powered on AC mains. Battery working time is 900 minutes (15 hours).