As the most important examination in the country, the college entrance examination shoulders the responsibility of selecting the pillars of the country, and has always attracted the attention of the country and society. Although the college entrance examination is strictly invigilated and the consequences of cheating are very serious, there are always some candidates who take chances and try to take risks and use cheating to complete the most important test in life. According to the investigation, after entering the entrance of the test center, the candidate hid his mobile phone in his thin clothes when he walked into the test room for security inspection. In this cheating incident, the invigilator had a certain degree of dereliction of security and invigilation. The Huangpi District Admissions Office said in response to the incident that the candidate could upload the test questions on his mobile phone due to a Simple Cell Phone Blocker Circuit Pdf loophole. So the question is, since the test party has installed cell phone jammer for the test room in the early stage, why can't the 5G signal be blocked?
Signal jammers, as the name suggests, are used to block cell phone signals. After the Simple Cell Phone Blocker Circuit Pdf is installed in the test room, neither mobile phones nor dedicated radio equipment can function in the test room. This can not only prevent candidates from cheating, but also prevent external communication equipment from interfering with candidates. An industry insider said, "The frequency band of the 5G network is relatively higher and the current penetration rate is still low. It is very likely that the staff who install the mobile phone signal jammer "forgot" the 5G signal and thus did not effectively shield it." . It is also suggested that equipment manufacturers can consider more comprehensively when providing signal shielding services for the examination room to avoid similar situations from happening again. At present, major middle schools are also approaching the senior high school entrance examination. It is recommended that schools install 5G mobile phone signal jammers to provide a fairer and just examination environment for the majority of candidates.
