After checking with relevant departments of the school, the reporter learned that since October last year, the school has indeed installed "mobile jammers" in the corridors of the teaching building, but the original intention is to ensure a good teaching order and prevent students from cheating on exams and class time. Receiving and calling mobile phones, sending and receiving messages, and this has been understood by most parents and students in previous parent meetings.
The reporter saw at the school that in the corridor of a two-story teaching building located on the west side of the campus, two “white boxes” were installed on the first and second floors. The inside was shielding equipment, and the outside was sealed with wooden boards. The switch is located in the Office of the Academic Affairs Office on the second floor. Secretary Yu of the school introduced that the school only turned on the mobile jammer device during the exam and during class time every day, and someone was responsible for turning it off after class and after school, and the shielding range was limited to the school’s teaching building, in the courtyard and north. Mobile phones can be used normally in teachers’ office buildings.
"The teacher's office building is only a few tens of meters away from the teaching building. Teachers can use their mobile phones normally. Moreover, the school is separated from the residential building by a road and the distance is about 100 meters. It should not be affected." Secretary Yu of the school said that the school had not received any feedback from nearby residents before. However, the relevant person in charge of the school said that he did not understand the transmission Power and shielding range of the mobile cell phone jammer device.
After school at noon, the reporter stopped a few students who had just walked out of the school. A sophomore boy in class on the first floor told the reporter that before the school installed a mobile phone jammer, he did not notify the students at school, and he also lost the signal on his mobile phone. Later, I learned that the school adopted this method, but he believes that the effect of this is not very obvious, because even if the signal is blocked during class and students cannot send text messages, some students still play games on mobile phones privately. Another high school girl expressed concern: “After the school blocked the signal, the classroom order has not changed significantly, and if special circumstances occur, the student’s contact with family members will definitely be affected.”