——  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    

Silent Recording Shielder Air purifier

Hidden Voice Recording Jammer

This recording shield is a new product in the communication recording shield. It integrates the functions of air purification and recording shield. The recording shield and air purification control have no influence on each other.

Air purification is controlled by keys on the host computer. The recording shield is equipped with a separate remote control, which opens and closes, and protects its information security without any detection.
Scene of application: Office, conference room, secret room and other places where recording is not allowed.

Product advantages:
Good concealment: air purifier is used as the appearance of the product, which is the same as ordinary air purifier on the surface, and adds background noise, which is very concealed.

Shielding effect is stronger: Compared with other products in the series, the output interference signal power is larger, so the noise signal picked up by the recording equipment is stronger, and the shielding effect is stronger.

Shielding distance is farther: compared with other products, the shielding distance is farther. Generally, the shielding distance of better recording equipment can reach about 1.5 meters, while that of some recording equipment, such as some mobile phones, can even reach more than 2-4 meters.

Coverage equipment has a wider scope: for all kinds of current mainstream recording equipment, air purifier version recording shield can shield, its coverage rate can reach more than 95%, far higher than similar products on the market.

Special attention :

The shape of the product is well concealed, and it can be closer to the people who may record, and the effect is better!


performance parameter

Shielding type

Mobile phones, recording pens and other sound acquisition devices

Shielding distance

1-2.5m (shielding distance of different recording equipment is different)

Function angle

90-120 degree

Opening mode

remote control

Remote control distance






ambient temperature


relative humidity


The power adapter

AC 100V~240V DC 12v 5A 

Packing instructions

Protective box