The use of mobile phone signal jammers in schools should be safety-oriented

The use of mobile phone signal jammers in schools should be safety-oriented

Schools, the use of mobile phone signal jammers should follow these three principles

1. The use of mobile phone signal jammers should not be exchanged at the expense of public mobile communications.

Among the people who use cell phone signal jammers, some are to prevent cheating in exams, and some are for quietness of the meeting or confidentiality of meeting information. These are all for good wishes and purposes. But there are also for their own personal benefit. For example, the owner of a public phone may use a jammer to interfere with the communication base station near his business location, so that people working near the public phone they operate, and the mobile phone is not working well, so they switch to public use. Telephone conversation, increase one's own economic income. In addition, communication operators may also use shielding devices to harm each other's interests, so that they can gain an advantage in certain local competitions in the same industry. In addition, the cell phone jammer is also easy to add software, becoming a veritable eavesdropping.

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The above list is the purpose of people using mobile phone signal jammers, but no matter what the purpose is, they should not be exchanged at the expense of public mobile communications. In fact, according to research, it is possible to install mobile phone signal jammers without affecting the normal use of public mobile communications. There are three reasons that cause the mobile phone signal jammer to disturb the mobile communication base station signal:

First, users of mobile phone signal jammers did not take into account the communication needs of outsiders at all, and the target was wrong. The mobile phone communication of a small group of people (such as examinees) should be restricted, but the target was expanded to other ordinary people in the surrounding area.

Secondly, the method of use is improper, because the cell phone signal jammer is installed in an improper position or its transmission power is set too large, it should be controlled in a small range but it is not well controlled.

Third, the purchased cell phone signal jammer does not meet the approved standards for radio equipment, the power exceeds the standard, or is a low-quality and substandard product. Finding the reason, in order to overcome its influence on mobile communication signals, it is actually very simple: first, use standard products produced by regular manufacturers, secondly, choose the installation location and direction of action, and thirdly set appropriate transmission power. , It is enough to limit the transmitted signal to a small enclosed area. As long as the above three points are achieved, its impact on nearby mobile communication base stations can be minimized.

2. Improper application of school mobile phone signal jammer may cause unnecessary harm to the human body.

Theoretical analysis shows that when the phone signal jammer is working, if the transmission power is too large due to improper setting, in a small confined space such as meeting rooms and classrooms, electromagnetic waves are superimposed in a small space and pass through the walls that are originally separated from the outside. Multiple reflections from the ceiling and the ground will cause people in the room to be exposed to serious electromagnetic pollution. According to the survey, the college entrance examination and the senior high school entrance examination are the occasions where mobile phone signal jammers are used the most. In some examination rooms where mobile phone signal jammers are used, some parties (the college entrance examination inspectors, candidates and teachers) are irritable and unable to concentrate. Individual candidates Even headache symptoms appear. Various signs indicate that if the transmission power of the mobile phone signal jammer is turned on too large, it will seriously affect the normal thinking of candidates in the examination room.

As we all know, the characteristics of the free propagation of radio waves in the air, mobile phone signal jammers can block mobile communication base station signals in a specific area and achieve their limited purposes, but also harm human health to varying degrees. Therefore, you must use mobile phone signals with caution. Shield.

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