| Frequency Range: | Mobile Phones, Recording Pens and Other Sound Acqu |
|---|---|
| Frequency: | Mobile Phones, Recording Pens and Other Sound Acqu |
| Application: | Leading Offices, Secret Meeting Rooms |
| Shielding Type: | Mobile Phones, Recording Pens and Other Sound Acqu |
| Shielding Distance of Single Expander: | >2.5m (Shielding Distance of Different Recording E |
| Remote Control Distance: | >10m |
| Samples: |
|---|
Suppliers with verified business licenses
Audited Supplier The "Concealed" Recording Shield is a highly integrated high-tech security product developed by AL ASAR TECH. When a criminal uses a recording device (such as a mobile phone, voice recorder, recorder, etc.) to record you, the recording mask produces a random noise signal that can suppress the interference of the voice signal, so that the recording device can only pick up.
When the recorder conducts illegal recording, the pickup can pick up the interference signal while picking up the voice signal.
The intensity of the interference signal is much greater than the voice signal, and even exceeds the maximum received power threshold of the pickup. This will form a suppressive interference to the voice signal, and even cause the pickup to fail to work normally, so that the pickup can only pick up a piece of noisy noise information.
The signal source that generates the interference signal is an encrypted random random sequence, so the original voice information cannot be restored through related technologies, and the purpose of protecting the voice information and eliminating the hidden danger of eavesdropping is achieved.
| Item | performance parameter |
| Shielding type | Mobile phones, recording pens and other sound acquisition devices |
| Shielding distance | >2.5m (shielding distance of different recording equipment is different) |
| Function angle | >120 degree |
| Opening mode | remote control |
| Remote control distance | >10m |
| Battery Capacity | 8000mah/12v |
| size | 283*133*157mm |
leading offices, secret meeting rooms, business negotiation rooms,
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}