Anti-Unauthorized Phone Recording Ultrasonic Speaker
Key Specifications
CUL-01P Portable Ultrasonic Speaker has 8 ultrasonic emitters to avoid unauthorized cell phones
to record crucial and confidential information during meetings. It has unattractive appearance
and is suitable to be placed in a room or can be portable to work because of its built-in battery
inside. The best interfering microphone performance when CUL-01P emitters exactly face a
phone’s speaker because the emitters affects the microphone directionally.
Specification
Ultrasonic emitters:8 pcs
Dimension: 78mm×25mm×121mm
Weight: main device 220g/ whole equipment in the case: 650g
Operation time with built-in battery: around 4hrs
Remote control to turn on /off the device
CUL-01P can interfere iphone’s speaker <=1 meters
when the emitters exactly face the phone’s speaker.