Signal jammers have become a habit
With the progress of society and the development of high technology, people's standards are getting higher and higher. Nowadays, mobile phones have become people's habit. For primary and secondary school students, playing mobile phones for a long time may affect their eyesight, and more seriously, they will neglect their studies. cell phone jammer have been trusted by exam rooms, schools, prisons and other institutions since their inception. In fact, mobile phone signal jammers are nothing new in foreign countries, and they have been sold in the domestic market in recent years. Cell phone jammers only interfere with low cell phone signals, so they don't affect mobile base stations and other electronic equipment. Now many primary and middle school students are holding mobile phones one by one, some are addicted to games, some are addicted to novels and so on. It is even more necessary for school exams. Baidu has all the answers. If everyone plagiarizes with their mobil