Mobile phones have become an inseparable work for everyone. Mobile phone recording is very easy. There are two common recording methods on mobile phones in life: one is to record when the phone is talking, and the other is to pass through the conversation or meeting. The recording function of the mobile phone can be used to record.
The first type of mobile phone calls recording. Apple mobile phones do not support call recording. Android phones have the function of call recording. The call needs to be transmitted through the operator's network, and there is no way to record the call. Here you can only pay attention to it, the operator does not store the user's voice calls, and the amount of information is large and not suitable for storage. Moreover, operators will not eavesdrop on phone recordings, unless they are the subject of key supervision.
The second way is to record through the mobile phone recording function, so avoiding mobile phone recording is mainly for the second situation. How to avoid the other party from using the mobile phone to record without knowing it? Mobile cell phone jammer; it can effectively interfere with digital products, tapes, and Recordings of products such as eavesdroppers. When recording digital devices such as mobile phones, these noises are recorded into the digital device together with the sound of normal conversations, making the recorded audio invalid, and the same interference effect for the audio information in the captured video. , Since the noisy ultrasonic noise is randomly generated and cannot be restored, the audio after being interfered cannot be restored, thus ensuring that the original information is not leaked and spread.
Mobile phone jammers are only effective for mobile phones and other digital products, and have no interference to people. Because the human body does not receive ultrasound, the mobile phone records all noise, but people cannot hear it, so it does not affect normal conversation and communication, and even cannot detect the prevention. The recorder is working.
Mobile jammer confidential meeting rooms, public security bureau petition centers, procuratorate reception halls, courts, courtrooms, negotiation rooms, offices and other places for private conversations are generally used less by individual users. Of course, individual users should be careful to prevent others from recording. Speaking can effectively avoid being recorded as evidence.