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A must-have anti-recording artifact in corporate meeting rooms

Dojammer 2021-12-30

Whether it is a variety of wired or wireless pickups, microphones, as long as it is a capacitive pickup, it can achieve complete interference through the recording shield. At present, there are many types of anti-recording and eavesdropping products at home and abroad, most of which are interference through white noise. Although there is a certain interference effect, it is also a kind of noise pollution for all parties in the conversation, and even affects the body of the interviewer. healthy.

Recommend a MDPB-L7B recording blocker, its biggest feature is the FPGA-based ultrasonic noise algorithm can effectively interfere with mobile phones, voice recorders and other digital devices, can record noise in, and completely eliminate the ear-piercing that a few people can hear Voice. This recording jammer has a long interference distance, which is more than two meters for 95% of mobile phones, more than 5 meters for 60% of mobile phones, and 10 meters for iPhone X, iPhone 8 and other mobile phones, which can be effective To protect the content of the conversation.

Everyone needs to understand the working principle of the recording blocker. Recording jammers are anti-recording with ultrasonic interference (silent mode) and white noise (acoustic noise mode). Ultrasonic interference mode. Ultrasound is a sound frequency that is emitted at a frequency that is not perceivable by the human ear. It has no harm or impact on the human body, but it will cause huge interference to all equipment that relies on the pickup to record sound. The frequency band it emits impacts the pickup film of the pickup head of audio and video equipment, causing irregular frequency fluctuations on the pickup film, so that the sound recorded by these devices is completely irregular noise. This is its basic principle. Its advantage is that it is silent and safe for humans.

Bluetooth Jammer

As a new product, the recording blocker has received more and more attention and support from people. From the previous government agencies (mainly the public security system and service-oriented windows) to the current enterprises, the needs of enterprises have gradually increased, giving us An important reminder. It shows that business people are gradually attaching importance to the safety of voice information and their awareness of self-protection has increased. Imagine if in a conversation scene, if any participant turns on the recording device, or connects the phone and keeps it in the call state, the remote personnel can There is no security to hear the content of the conversation at will. In this case, the recording blocker can play a very good role in protecting the security of audio information.

You need a guarantee that you can talk easily, a space where you can talk at will. You don’t need to worry about your conversation being recorded by others, you just need to prepare a recording blocker that looks like an audio speaker​. The most effective way to prevent recording is to generate random noise signals through the recording masker, which can suppress the voice signal, so that the recording equipment picks up only noise information, but cannot distinguish the voice information and cannot restore it from the recorded signal. The original information is output, so as to ensure the security of the voice information.


Please use cell phone signal jammer with caution! How to interfere with the recording of the recorder?