Before each year's postgraduate exams, students will successively receive some information about cheating in the exams. In fact, these cheating methods are carried out by radio, and candidates are required to carry special earphones to receive answers from outsiders. The behavior of passing mobile cell phone jammer happened frequently, but since the radio frequency monitoring and blocking system was in place, many candidates’ dreams were disillusioned.
Through the use of the mobile phone jammer system, no high-tech tool can cheat. Compared with the mobile phone jammer, this device has more comprehensive functions, because it can not only cut off the communication data signal, but also can shield the radio signal to prevent any form of data transmission. Cheating in all exams is shameful. Therefore, candidates should stop imagining the dream of cheating. Instead of thinking about how to cheat, it is better to calm down and read the book.
