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Continuing from last year, this year, full-band cell phone signal jammer with signal interference functions are installed in many examination rooms by examination management agencies in various places as a technical means to prevent college entrance examination candidates from cheating. However, an article "The founder of the full-band jammer claims that the full-band jammer is harmful to people" was widely reprinted by the media.

In this regard, the Ministry of Education officially stated yesterday that this statement lacks scientific evidence. After their investigation, the Tsinghua expert who made this statement in the media was not an employee of Tsinghua University. The Ministry of Education also stated that although the Ministry of Education has no mandatory requirements for the use of full-band signal jammers in examination rooms, full-band signal jammers are currently the best way to effectively prevent large-scale cheating. In order to meet the safety requirements of the instrument, a guideline on the use of the instrument will be issued in the near future.

Is it true that the full-band signal jammer is harmful to the human body?

The radiation of a full-band jammer is similar to that of a mobile phone. The relevant person in charge of the Student Department of the Ministry of Education said that the harmfulness of a full-band signal jammer to the human body cannot be said to be harmful or harmless. The radiation is related to the distance. It has a big impact on the ear.

Regarding some issues of full-band jammers, the reporter also interviewed topsignaljammer Technology Co., Ltd., which has been developing and selling full-band signal jammers for more than ten years.

"The damage caused by a full-band jammer is the same as that of a mobile phone, and I don't have such a big reaction when I touch it every day." Topsignaljammer Technology Co., Ltd., which produces and distributes full-band signal jammers, answered the reporter's question.

Due to the research and development and sales of this kind of products, he has a certain understanding of the working principle of the full-band jammer. He said: "Now the power value of the mobile phone electronics we use is 2 watts, and the power of the full-band signal jammer is less than 2 watts. Wa, if there is such a big reaction, who would dare to use a mobile phone?"

It is said that the current full-band jammers are all about the same, and their power is about the same as that of mobile phones, and our products were sent to the Ministry of Public Security Electronics for testing before being promoted, and no abnormalities were found.

In addition, 136 theaters in Beijing have introduced this full-band signal jammer, 70% of which have been installed and used, and no discomfort has occurred in the covered area.

In view of the fact that today's shielding technology has been fully popularized on professional equipment, it can better adapt to the intricate working environment. Under such an objective background, it is particularly important to have an in-depth understanding of the role of mobile phone signal jammers. After all, different specifications and models match different shielding effects. Only by ensuring that the overall strength of equipment applications is gradually strengthened can the shielding effect be fully improved under the same conditions. I believe this can also play a decisive role in the rapid development of the entire industry. Yes, the key is that the overall efficiency of equipment applications will be fully improved. Obviously, the more complex the working environment of the signal jammer, the more stringent the requirements for equipment performance will naturally be, and after the different shielding requirements are met, the superiority of the mobile phone signal jammer will naturally have a clear understanding , this is also an intuitive reflection of the performance advantages of shielding equipment, and it can also have excellent performance under harsh working conditions. After all, today's mobile phone signal shielding technology has been widely used in practice, which is also important for improving the overall level of shielding effect. Useful.