In recent years, with the rapid popularization of mobile phones, various negative effects have also followed. People began to worry that using mobile phones in public places such as hospitals, cinemas, lecture halls, and libraries may disrupt silence and affect precision equipment. signal jammer In addition, unexpected problems such as cheating in exams have also emerged. More and more students secretly play with their mobile phones in class, which seriously affects classroom discipline. Therefore, the introduction of mobile jammers has become an effective means to prevent students from using mobile phones in class, allowing them to concentrate on their studies.

　　Principle and function of mobile jammers

　　A mobile jammer is a device that can interfere with mobile phone signals. cell phone jammer It interferes with the communication between mobile phones and base stations by emitting radio waves of the same frequency as mobile phone signals, thereby preventing mobile phones from receiving or sending signals. The handheld 8-antenna multi-band signal jammer has won the title of sales champion since it entered the market. It can interfere with almost any mobile phone signal, and can also interfere with wireless Wi-Fi, GPS satellite signals, and hijack tracking signals.GPS jammer It has strong power and a large interference radius of up to 30 meters. Due to its multi-band signal interference characteristics, this type of jammer is very popular in the market and has become people's first choice.

　　Application in business negotiations

　　In business activities, especially in business negotiations, the confidentiality of information is particularly important. How to ensure that the content of the negotiation is not leaked has become the focus of many companies. The use of mobile phone jammers can effectively prevent the outside world from eavesdropping on the negotiation content through mobile phones, thereby ensuring the security of the negotiation. Handheld jammers can be used anytime and anywhere due to their portability, and have become a must-have tool for many business people.

　　Application in public places

　　In public places, such as cinemas, libraries, lecture halls, etc., the ringing and talking sounds of mobile phones often disturb others and destroy the quiet environment. The use of mobile phone jammers can create a "signal blind spot" in these places, thereby preventing the use of mobile phones and keeping the environment quiet. For those users who do not observe public etiquette, the jammer can effectively block their mobile phone signals to avoid interference with others.

　　Application in schools

　　With the popularity of smart phones, more and more students are secretly playing with their mobile phones in class, which seriously affects classroom discipline and learning effects. The introduction of mobile jammers in schools can effectively prevent students from using mobile phones in class, allowing them to concentrate on listening and improve learning efficiency. At the same time, jammers can also prevent students from using mobile phones to cheat in exams and ensure the fairness of exams.