Cheating in exams is a very common problem all over the world; it seems that students have learned to cheat in exams. Although they still use cheat sheets, students are now increasingly relying on more technical means to take cheating exams. With the rapid development of technology, such as spy earplugs, MP3 players, surfing the Internet, using the phone to ask friends, etc.
We can see that more electronic devices were used to cheat in the investigation. In order to deal with these cheating devices, signal jammer that can block cell phone signals can be regarded as effective tools. Jammers will disable these devices so that students cannot use them for cheating. Now in China, mobile jammers have been used in important routine exams to prevent students from cheating in exams. The following product is one of the models.
In short, with the use of high-power blockers, many electronic cheating devices are useless in the test except for old methods such as cheating tables.