Free Cell Phone Jammer is installed in the classroom where the child is. At first, I thought it was used to prevent students from cheating during the high school entrance examination, but it is still in use. Many parents in this school are worried that the electromagnetic waves emitted by such mobile phone interference devices will endanger the health of their children. cell phone jammer On the Internet, posts about "mobile jammers" in the "Parent Discussion Community" surrounding this middle school were hot, with dozens of posts expressing views on the school's practices.
A netizen who claimed to be a parent said that the school cleaner once told her that Free Cell Phone Jammer was installed in every classroom. In the corridors of the school, her cell phone signal was only two bars, and it was full as soon as it came out; the child said that there was no cell phone signal at all during the three days of the mid-term exam, and the interference must have been strengthened during the exam, and there is still interference now. We, parents, must be aware of this hazard.” Another netizen said, “The basic principle of this instrument is to use electromagnetic waves to interfere with mobile phone signals, so that short-distance and long-term electromagnetic waves are harmful to the body. And once the equipment is quality If there is a problem, the consequences will be serious. Moreover, as long as the Power of this kind of equipment is increased (electromagnetic waves are strong), the interference effect will be good. Unscrupulous manufacturers generally use this method to reduce costs."
