Will signal jammers in the examination room cause harm to the human body?

According to previous data, we have observed that during the college entrance examination, examination supervision agencies across the country will install examination room signal blockers equipped with electromagnetic signal shielding equipment to prevent candidates from cheating. However, a recent post claiming that examination room signal blockers are harmful to the human body has been widely circulated in the media.

In response to this news, the Ministry of Education of China issued a statement. The Ministry stressed that such claims need to be supported by scientific and reasonable evidence and called on relevant departments to conduct a thorough investigation to obtain conclusive evidence. The individual who expressed this view on social media and claimed to be the founder of the examination room signal blocker is not an employee of Tsinghua University. The Ministry of Education also clarified that although the Ministry of Education has no strict requirements for the use of examination room signal blockers, it is currently considered an effective way to prevent cheating. Safety regulations for examination room signal blockers will be issued soon to provide specific guidance on their use.

Now let’s talk about whether examination room signal blockers can cause harm to the human body.

A person in charge of the Student Affairs Office of the Ministry of Education said that the harm of examination room signal blockers to the human body is one-third of that of mobile phones.

As for potential adverse effects, it is not appropriate to be ambiguous. Whether it causes harm depends on the distance from the radiation source. If the distance is far, the harm is small, but if the distance is close, especially close to the ear, the harm is relatively large.

To further understand the concerns about the signal jammers in the examination room, the reporter visited JAMMERSIGNAL Information Technology Co., Ltd., which has been engaged in the research and development and sales of signal jammers in the examination room for more than ten years.

In response to the reporter’s question, the company said that the harm of the signal jammers in the examination room is equivalent to that of mobile phones, and mentioned that they come into contact with such devices every day without obvious reactions. JAMMERSIGNAL Information Technology Co., Ltd., which produces signal jammers for examination room dealers, explained that the electronic output power of mobile phones is now about 3 watts, while the efficiency of signal jammers in the examination room is lower than this. If the harm is really great, who would dare to use mobile phones?

According to them, the output power of the signal jammers currently used in the examination room is about the same as that of mobile phones. And their products have been tested by the Ministry of Public Security for electronic equipment without any abnormalities. Best-selling WiFi jammers and GPS jammers in Europe and America.

In addition, in Beijing, 150 cinemas have installed and used signal jammers in the examination room, and 80% of them have been put into use. So far, no reports of physical discomfort have been received within the coverage area.

Please note that the information provided is based on currently available data and statements. It is always important to rely on scientific research and expert opinions to gain a comprehensive understanding of the subject.

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