Cell Phone Jammer Electronic Hub
School exams are to prevent students from using mobile phones to transmit information, leak test papers, and cheat on exams. Some are also to prevent teachers from escorting test papers, leaking test paper information and causing bad effects on later exams. All schools are suitable for installing Cell Phone Jammer Electronic Hub ? The mobile phone signal jammer uses the same frequency as the downlink frequency of the mobile phone receiving base station to carry out the same frequency electromagnetic interference, all of which will be affected by the signal strength of the nearby base station and affect the shielding effect of the mobile phone. cell phone jammer So how to test the cell phone signal strength of the place where the cell phone signal jammer is used?In recent years, with the rapid development of mobile phones, it is not uncommon for students to use mobile phones to affect their lives and studies. Many teachers who inspect the dormitory at night said that they often find some students use their mobile phones to go online in the bed, some even in the middle of the night. It's still on at one or two o'clock, so in order to prevent students from playing on their mobile phones in the middle of the night and let them have a better rest, many schools have to choose to install Cell Phone Jammer Electronic Hub in the dormitory. Actually, how to choose and install it will be explained one by one. The cell phone jammers installed in school dormitories are mainly used at noon and evening when students are resting. Noon is usually 11:30 to 1:30, and at night it is 10:30. Until 2 o'clock in the morning. That is to say, it is not required that the mobile phone signal is shielded for 24 hours without interruption, so the mobile phone jammer with ordinary power supply such as an external adapter can also be selected.