Now, almost all students in the school have mobile phones. To make matters worse, mobile phones have become a “weapon” for many students to resist teachers. In the lecture, most students were found to use mobile phones to surf the Internet. Many students listen to music or play video games in class. It is very common for a mobile phone to ring suddenly during a lecture in a classroom, and it is often distracting. Even worse, some students are using mobile phones to help them cheat…. According to reports, a new phenomenon of “cyber bullying” indicates that students should pay attention to lectures when they are tortured by electronic communication with others through text messages and social networks. . Young people don’t know much about politeness these days. Unpleasant conversations are prohibited. The cell phone jammer sends the signal to the same frequency. The mobile signal area is disabled. The first batch of jammers were developed by the military and used for communication purposes. Used to control enemy communications. Currently, the number of smartphone users is increasing day by day. By comparing cell phone jammers with cell phone jammer electronic devices that disable phone signals in certain locations, they have become the general public. WiFi jammer
Some countries/regions allow companies and government organizations to install GSM jammers in areas where the use of mobile phones is considered public harassment. In December 2004, France legalized mobile jammers in cinemas, concert halls and other places through performances. France is completing a technology to transfer emergency calls to emergency calls. India has installed jammers in parliaments and some prisons. According to reports, Italian universities have adopted techniques to prevent fraud. Students use camera phones to take photos of the test and send them to classmates. I think it is difficult to process cell phone signals with sawtooth waves, which have a large frequency band (width to be used). Here you can get high-quality products at low prices. The radio waves of high-speed data communications are likely to be blocked. The annoying person came out of the phone and shouted loudly. Ignore the feelings of others. Block the signal. My experience is a failure. You need to take a positive attitude towards failure. I turned on the power of the radio jammer and checked the radio response of the smartphone. This smartphone jammer also supports various types of interference. It can be said that it is a product with a wide range of applications. The website has collected many attractive products.