In the college entrance examination, in order to prevent some people in the examination room from carrying some mobile phones or electronic devices to cheat, as well as high-tech cameras and transmission equipment, a small examination room signal jammer will be set up. In every college entrance examination place, there is a signal jammer of this kind of examination room. Once the relevant signal shielding equipment is turned on, although these electronic devices can continue to be used, they can only be in the condition of no network connection, and there is no way to communicate with the outside world. Because the college entrance examination is a relatively large-scale test, in order to ensure the authenticity of the test for everyone, and people do not cheat on the test. Only such a relatively high-tech way can be used to avoid it in all directions.

Before entering the examination room, the teacher will strictly check the metal objects on the students' bodies, including mobile phones and other electronic devices. Because the college entrance examination determines the life of most people, many people are more interested in the college entrance examination. If people cheat in the college entrance examination, they will be held accountable. If a group commits cheating activities, the police will choose to arrest the group, impose certain criminal penalties on them, and cancel the person's grades. Therefore, it is reasonable to use the signal shielding device in the examination room to promote the good progress of the examination. Although the college entrance examination has just passed this year, there will still be various large and small exams in the future. Remember not to cheat and complete the answer sheet of your life that you are satisfied with.