Signal jammer, hd camera, synchronous clock ... In the eyes of ordinary citizens, the electronic devices that should appear in American blockbusters or some high-end organizations have quietly invaded ordinary huaian university classrooms. Controversy arose with classmates, reflecting poor cellphone reception and the feeling of being watched. To find out yesterday morning, the reporter paid a site visit to the school.
Students at the university have different guesses about the use of electronic devices that sound bigger and taller. Xu students think these devices should be used to monitor and urge students to listen attentively in the class, "I feel good, and now college students have only a few to listen carefully can not play with the cell phone, sometimes the teacher also embarrassing, even if the tube the effect is not very good, now the cell phone signal shielding, students can not play cell phone, although not fundamentally can solve the problem, as they say, but can also play a role. "
