Customization: | Available |
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Frequency Range: | PCS1900 |
Frequency: | 869~894MHz |
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Product Overview The upgraded version of the anti-recording jammer is the latest security protection device after several years of research and development. The portable jammer can also be placed on a table, and its brushed alloy shell is pollution-resistant and wearable. The unit inside the case is located on the front of the case to ensure a stronger signal and better concealment. If any voice recorder or mobile phone is checked to start voice recording,this anti-recording jammer will randomly send out noisy signals to obstruct voice signals repressively,such voice recorder or mobile phone can only collect noisy and useless informaition.
Working Principle With the high security encryption algorithm,this antirecoding jammer treats true random number as a seed and mix the source of voice in high-frquency and low frequency,generating un-copied,aliasing and mute jamming signals,which then obstruct voice recorder or mobile phone.
Circumstance All places that voice recording is strictly prohibited,such as manager's office,meeting room for secrecy affairs,business negotiation room. Illustration Characteristics 1> Excellent in shielding This anti-recording jammer can shield mobile phone,voice recorder and listening-in device.The average shielding area is 1 to 3 meters and shielding angle is 180 degrees. 2> Good concealment This anti-recording jammer has not any protruding part on the case,even its on-off button is hidden under the case.3> Harmless to human body This anti-recording jammer shields the voice recorders by unique acoustics technology,without any electromagnetic radiation when working.
Placement This anti-recording jammer is on or under one desk,on the two sides of which,source of voice and two visitors (or only one ) face each other. Please see below: