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The school installed cell phone signal jammers, which caused great repercussions among students in Dongguan. "Our school also has this practice. I only learned today that approval is required. How can I complain?" A classmate joked: "The school doesn't let us play, and the number of mobile phone downloads is really huge, but now in the information age, a lot of information is online. Students can’t just read the sage’s book, regardless of what’s outside the window? Cell Phone Blocker For Sale Near Me The mobile phone signal is blocked and the Internet cannot be accessed, what should I do? What about modern people?” More students believed that the school’s strict management of students’ use of mobile phones should be like this, but The method is wrong: "How can it be one size fits all? It is understandable to install it in the classroom, but it is a bit too much to put it in the dormitory, and students have emergencies, should they contact their parents?"