With the progress of society and the development of high technology, people’s standards are getting higher and higher. Now, mobile phones have generally become a living habit of adults and children, and its influence is even more important for primary and middle school students. Playing mobile phones for a long time is very important. It may affect eyesight, and even more serious is a waste of homework.
Since the advent of cell phone jammer, it has been trusted by examination rooms, schools, prisons and other departments. In fact, in foreign countries, mobile phone signal jammers are nothing new. In recent years, they have begun to be sold on the domestic market! The mobile phone jammer only interferes with the mobile phone signal, so it will not affect the mobile phone base station and other electronic equipment. Nowadays, many elementary and middle school students each own a mobile phone, some are addicted to games, some are addicted to novels, etc. This is even more dangerous for school exams. Baidu has all the answers. If everyone in the exam steals their mobile phone, it will violate the content of the exam. Purpose and significance!