Under normal circumstances, it is not recommended to use high-power Cell Phone And Wifi Blocker Ebay to shield the entire teaching building. This is because it is impossible to ensure that the use of high-power mobile phone signal jammers can completely shield the entire teaching building. However, in some special cases, it is also feasible to use high-power cell phone jammer to shield the entire teaching building. For example, during the middle and college entrance examinations, during the short three-day period of the senior high school entrance examination and the college entrance examination, high-power mobile phone signal jammers are used to shield the entire examination room. , is completely able to achieve the shielding effect. This is because during the high school entrance examination and the college entrance examination, the relevant departments of the governments at all levels across the country have to jointly act, including the public security, transportation, non-government committees, education bureaus, examination institutes, communication operators and other relevant departments or organizations. , must perform their respective duties to ensure that these candidates can successfully complete this exam.
The public security is responsible for maintaining order, the traffic is responsible for dredging traffic, the non-management committee is responsible for purifying the radio signal environment around the test room, and the communication operator is responsible for reducing or shutting down the signals of all base stations within a few kilometers around the test room. And Cell Phone And Wifi Blocker Ebay , the size of the shielding range, or the quality of the shielding effect, depends on the strength of the mobile phone signal in the test room. Communication operators reduce the signal strength of base stations within a few kilometers of the test room, and even close some base stations that are close to the test room, in order to reduce the signal strength in the test room, to ensure the shielding effect of mobile phone signal jammers, and to purify the radio environment of the test room , to prevent some unscrupulous candidates, using radio to cheat or some criminals using wireless transceiver equipment to transmit answers. I believe that everyone will also notice that the operator will send a text message during the high school and college entrance examinations to notify that mobile phone signal jammers are used in the examination room, and the mobile phone will be disconnected from the Internet.