What Blocks Cell Phone Radiation
Important admission exams, qualification exams, or final exams need to be installed What Blocks Cell Phone Radiation to shield the electronic signals around the exam room and prevent possible electronic cheating. So, how much area can the mobile phone signal jammer in the examination room shield? Can only one cell phone jammer be used in an examination room to achieve the purpose of shielding? How many cell phone jammers should be used in a teaching building? First of all, we need to know: The mobile phone signal jammer in the examination room has a theoretical shielding range, which is about a radius of 0-20 meters. But please note that this is a theoretical distance. The actual effect should be combined with the local signal strength, especially whether there is a signal base station nearby. If there is a signal base station within 200 meters, the shielding effect will be compromised. cell phone jammer
Walls will also weaken the shielding effect of What Blocks Cell Phone Radiation . As the signal is stronger near the window, the shielding effect will be weakened. The standard classrooms in schools are generally about 75 square meters, and each classroom is equipped with a mobile phone jammer to achieve better results. It can be placed in the middle of the classroom for maximum shielding. Of course, this must be determined in conjunction with the power supply wiring. It is also common to place mobile phone signal jammers at the podium. If it is a larger classroom or there is a signal tower nearby, you can place two mobile phone jammers in each classroom, one at the front and one at the front, and the shielded signal is superimposed and strengthened, and a better effect of 1+1>2 will be achieved. In addition, in order to ensure the shielding effect, another mobile phone jammer can be arranged every 10-20 meters in the aisle of the teaching building. Finally, it should be noted that the height of the mobile phone jammer is preferably 1.5-2 meters from the ground.
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