Block Unwanted Calls On Your Cell Phone Blocks The Base Station Signal

Block Unwanted Calls On Your Cell Phone is installed in important admissions exams, final exams and other places to interfere with the electronic signals around the exam room and prevent candidates from cheating. So, can a radio frequency jammer interfere with a classroom signal? If a teaching building needs to be disturbed, how should it be arranged more reasonably? What we need to know is that the wireless frequency jammer has a theoretical interference range, and the interference radius is about 10-60 meters in a transparent environment. The actual effect depends on the signal strength of the site, especially how far the nearby base station is from the site. If there is a base station within 200 meters, it will be a little difficult to interfere, and secondly, obstacles such as walls will also affect the interference effect of cell phone jammer .

Communication operators reduce the signal strength of base stations within a few kilometers of the test room, and even close some base stations close to the test room, just to reduce the signal strength in the test room to ensure the shielding effect of Block Unwanted Calls On Your Cell Phone , so as to purify the radio environment of the test room and eliminate some Candidates with unscrupulous minds use radio to cheat or some criminals use wireless transceivers 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 a mobile phone signal jammer is used in the test room, and the mobile phone will be disconnected from the Internet.