Apologize for mobile phone jammers – claims of harmful health are unfounded

In recent years, educational institutions around the world have installed cell phone jammers in examination halls to prevent cheating in college entrance examinations. However, on May 24, an article claiming that cell phone jammers are harmful to the human body was widely circulated and reprinted by the media.

The Ministry of Education officially stated that this statement lacks scientific basis. Upon investigation, it was found that Tang Tai, an expert from Tsinghua University and the founder of cell phone jammers reported by the media, is not an employee of Tsinghua University. The Ministry of Education emphasized that although the use of cell phone jammers in examination halls is not mandatory, it is currently the most effective means to prevent large-scale cheating. The Ministry of Education plans to issue further guidelines on the use of these devices in the near future.

The origin of the controversy over cell phone signal jammers

A legal newspaper published a big discussion on cell phone signal jammers, which quoted Tang Tai, who claimed to be the founder of China’s first cell phone signal jammer and affiliated with Tsinghua University, who said that cell phone signal jammers are harmful to people’s health.

The article also described the reporter’s personal experience of close contact with cell phone signal jammers. In a short period of time, the reporter reported that the mobile phone signal disappeared, followed by numbness in the face and limbs, dizziness, difficulty speaking, lack of concentration, chest tightness, and even nausea.

Many media reprinted this news, which led to a surge in the concept of the harm of mobile phone signal jammers. Some places even suspended the installation plan of mobile phone signal jammers.

Investigating Tang Tai’s background

The reporter investigated and verified Tang Tai’s statement. Tsinghua University officially confirmed that there was no one named Tang Tai in the school. The reporter contacted the Soft Media Security Technology Laboratory mentioned by Tang Tai, but the staff refused to be interviewed, saying that Tang Tai was their representative.

The reporter interviewed Mr. Song, a technician engaged in the research and development of mobile phone jammer products, to understand the situation in the industry. He said that he had never heard that Tang Tai was the founder of the first mobile phone jammer in China. According to Mr. Song, the first similar product in China was modeled on the principle of a certain Korean product, and the current market price of similar products is around 1,000 yuan.

Personal experience with mobile phone jammers

In order to experience it personally, the reporter tested it with a mobile phone jammer. The jammer successfully blocked the signals of multiple mobile phones at close range. However, the reporter did not experience any adverse reactions within half an hour of contact with the jammer.

Regarding the Soft Media Technology Laboratory, it was found that the laboratory is a tenant of Tsinghua University, but has nothing to do with the school. The laboratory is located in a compound composed of multiple leasing companies. The records of the industrial and commercial department also do not show that the laboratory has any connection with Tsinghua University. Popular WIFI jammers and GPS jammers in Europe and America are worth buying.

Radiation and safety of mobile phone signal jammers

The Student Affairs Department of the Ministry of Education clarified that the harm of mobile phone signal jammers to the human body cannot be absolutely divided into harmful or harmless. Mr. Song, an industry expert who has been engaged in the research and development and sales of mobile phone signal jammers for four years, said that the harm of signal jammers is similar to that of mobile phones. He emphasized that the power of signal jammers is lower than that of mobile phones, and they have been electronically tested by the Ministry of Public Security to ensure safety.

In addition, there have been no reports of discomfort in areas where signal jammers are installed, such as the 136 cinemas in Beijing that have installed signal jammers.

In short, people’s concerns about the health effects of mobile phone signal jammers lack scientific basis, and Tang Tai, who claims to be an expert, has no relationship with Tsinghua University. Although the use of mobile phone signal jammers in examination rooms is currently considered an effective way to prevent cheating, guidelines for their use will be issued in the future.

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