——  Security ● Defence ● Solution —— 
Defense and Security is that defence is the action of defending, of protecting from attack, danger or injury while security is (uncountable) the condition of not being threatened, especially physically, psychologically, emotionally, or financially.
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    Publish time 2020-08-18 20:37    

Hidden Voice Recording Jammer

AAT-007-B flagship recording and shielding device is a recording and shielding device developed by our company. This product adopts a new transmitting unit to realize long-distance shielding without increasing power. The shape adopts the common chassis which is concealed, and the user can directly put it on the desk to realize the information security protection in silence. The high encryption algorithm used by the software makes the recorded voice information file unrecoverable, so that the customer has no worries; the transmission frequency adopts random frequency conversion technology, and the frequency is randomly hopping frequency and shielded completely within the period.

Product principle:

This product emits a random hopping frequency signal, which disturbs the pickup of the illegal pickup device, so that the pickup can not collect the normal voice information, and the hopping frequency emitted by the shielder is picked up to achieve the purpose of shielding the recording.


1. High-power transmitter unit, low power consumption and long shielding distance.

2. Stepless power adjustment, users can adjust the shielding distance according to their own needs, and solve the hidden danger of inaccurate gear adjustment.

3. The remote control switch allows the user to turn the device on and off at any time without touching the device.

4. The shape of the computer case is strong and concealed

5. Shielding distance is 2-10 meters away


performance parameter

Shielding type

Mobile phones, recording pens and other sound acquisition devices

Shielding distance of single expander

2-10 meters

Angle of action of single expander

90-120 degrees

Remote control distance

More than 10 meters

Host size




ambient temperature


relative humidity


Power consumption


Power input

AC 160V~240V

Power output

DC 12V/12.5A

Shell material

Metal alloy

Packing instructions

PP protective box

Application range:
Court, war room, confidential meeting room, office, bidding room, negotiation room, etc.