With the development of modern science and technology, mobile devices such as mobile phones have been extensively developed. Everyone owns one or more mobile phones, because they can easily get in touch, find places, play mobile games and listen to music anytime and anywhere. But the problem is that when people do these things, some people don’t take into account the feelings of others. People entertain themselves, the sound of playing games and the sound of music prevent people from getting enough rest. And it affects the normal life of others, which is very wrong. This requires everyone's awareness and quality. If these are not available, you may need a How To Make A Cell Phone Signal Jammer . This device can avoid these troubles. Mobile phone signal jammers are manufactured to reasonably avoid and interfere with mobile phone related signals, such as GPS, WIFI, 2G, 3G, 4G, 5G, etc. Mainly used in school examination rooms, prisons, detention centers, etc., to ensure fairness and justice in examinations, high school entrance examinations, college entrance examinations, and regular mock examinations. cell phone jammer
The wallpaper developed by French researchers is How To Make A Cell Phone Signal Jammer and allows WiFi signals to be restricted to specific offices or departments. This will improve the security of your WiFi. This shielding technology only shields wireless LAN signals of specific frequencies, rather than general electrostatic shielding, so both mobile phones and wireless broadcast signals can pass. According to researchers, the price of this wallpaper is about the same as that of traditional mid-range wallpaper, and it was launched in 2013. This wallpaper can not only prevent the prying of mobile phone signals, but also can be used in places where WiFi interference may occur. For example, you can use hospitals, hotels, theaters, etc. to prevent guests from trying to use external free mobile signals to avoid payment. Of course, consumers who are sensitive to electromagnetic waves are also potential marketing target groups.