Recording pen jammer, anti-recording jammer, preventing recording in meeting room

　　eavesdropping tools emerge in endlessly, on the other hand, a large number of recording interference tools make your recording fail. In addition, with the development of AI technology, your voice can now be cloned quickly in 5 seconds. Who knows if your conversation will be faked and you will be defeated?

　　1. Turn the iPhone into a real-time monitoring tool For many iPhone users, in fact, the phone comes with a zero-cost eavesdropping device. Inside the iPhone "Settings" button, there is a magical function-Live Listen. The principle of Live Listen is very simple. It turns the iPhone into a microphone and then transfers the captured sound to the Bluetooth headset. This function was originally intended for hearing-impaired friends, but from a different perspective, it may also be used as a wiretap by someone with a heart. The use of this function is very simple, only two steps can be completed 1. Enter the "Control Center" in the "Settings", find [Hearing] in the "Custom Control", and add it to the control center.

　　2. Then connect the Bluetooth headset to the iPhone; pull up to open [Hearing], and open [Live Listening]. At this time, put the phone where you want to eavesdrop, and I can leave the monitoring. But to use this function, you can't go too far. The farthest only supports a distance of 15 meters, which means that you can't hear more than 15 meters, and you can't record. So, if you see someone else drop your phone in your place, you have to be careful~ 2. Eavesdropping tool in disguise. Gu Tianle in the movie "Eavesdropping", with an inconspicuous lighter eavesdropping on important information, Up to now, these spy tools have been brought into real life.

　　In a case published by the Judgment Written website in 2017, a miniature earphone was mentioned. It was so small that it was hard to detect with the naked eye. But he can answer the phone and record, and is used for cheating in exams and cheating in gambling.

　　From December 2010 to May 2012, Lu and Deng hired workers to manufacture the headset in a rental house in Zigong, Sichuan. They were responsible for the sales. In less than two years, they sold 18,000 units, with sales reaching More than 1.32 million yuan. In a case announced by the Judgment Document Network in 2019, it mentioned the eavesdropping tools that look like car remote keys, lighters, and monitoring tools such as rubber SMS receivers.

　　Zhao and Xu are in a shop in Huaqiangbei, Shenzhen. One is responsible for processing and the other is responsible for sales. It has to be said that it is really bold to sell contraband in offline malls with such a large flow of people. In fact, among professional sneak shots and eavesdroppers, car remote controls, clothes buttons, lighters, pens, watches, and all the daily necessities you can think of can be made into tools for eavesdropping and candid photography.

　　A reporter's investigation found that there are some shops on a certain treasure that sell dog meat with sheep's heads. The surface is serious video equipment, but the comments are "very good, you can hear the conversation next door." Once you go up and ask, he will prompt you to add WeChat private chat to deal with these eavesdropping goods. Why are they so "cautious"? The answer is simple. Selling these tools violates the criminal law. All the sellers in the above mentioned cases went to prison without exception. But under the temptation of profits, there have been people who have been taking risks. 3. Recording jammer. The boss Huang He admitted personally that he had deducted his salary and was about to take his sister-in-law to run away. When you brought the recorder with confidence and wanted to go to the arbitration to get your salary back, you found that the recording was full of noise???

　　When this happens, don’t just think that the recorder is broken. In fact, there is another possibility-recording jammer. For most people, recording jammers may still be unfamiliar, and many people may have never heard of it. However, in high-level confidential scenarios such as business meetings, confidential meetings, and military meetings, recording jammers have been widely used. The most common recording jammer uses "ultrasonic interference" to prevent recording.

　　Ultrasound is a sound frequency that is emitted at a frequency that the human ear cannot perceive. It has no harm or influence on the human body, but it will cause huge interference to all equipment that relies on microphones to record sound. For example, for some animals that are sensitive to low-frequency sounds, ultrasound is deadly, such as mice, snakes, and mosquitoes. This is also a principle of ultrasonic electronic mosquito coils.

Read recommendations:

Anti-Theft Jammer Detector for Local Command Center

Vehicle Mounted Drone Detection Jamming Integrated Uav Detection, Positioning, and Countermeasures Blocking Units

Low-altitude defense drone portable equipment

Connector classification and its future development trend

Is the mobile phone signal jammer radiant?

High-power multi-purpose signal jammer