The device is designed to protect the call area from eavesdropping. The device blocks wireless microphones, voice recorders, hard-wired microphones, and most professional digital voice recorders, including voice recorders installed in mobile phones (smartphones). Ultrasonic inaudible noise signals and acoustic speech noise signals are used to interfere with eavesdropping equipment.
Interception Mode:Acoustic Interference
Power Supply:Battery Inside / AC Adaptor
Shielding Objects:Voice recording device as Cell Phone, Recording Pen, Audio and etc.
Shielding Radius: 0.5-1.5 meter
Shielding effect: > 80
Shielding Angle:Horizontal 90°/ Vertical 90°
Working Time:8 hours
Battery Inside:6000 mAh / 12V (3 * 2000mAh)
Product Weight:0.6 KG
Jammer Host x 1
AC Adaptor x 1
USB Charging Line x 1
Carry Case x 1
Packing size：33*25*11 CM
Gross weight：1.5 KGS