Now many schools are busy preparing for the examination room. This is because the most important examination of the year, the college entrance examination is coming soon. Facing this most important exam, many schools are actively preparing what is needed in the exam room, ensuring the normal order of the exam room and meeting the basic needs of the exam room. Signal cheating method, and even bought exam How To Make A Cell Phone Network Blocker as a countermeasure, but its effective range is limited, so a new question arises, is it still effective for shielding after passing through the wall? In fact, we analyze the specific situation of this question. First of all, we need to know what power this test cell phone jammer has, because it is divided into 12W, 16W and 18W. The effective range generated by different powers is different. Just low power.
Generally, it is used in a small open area, which is just enough to meet the size of a classroom. However, if it is required to pass through the wall, there will be no shielding effect after actually passing through the wall. Therefore, if you choose a low-power test How To Make A Cell Phone Network Blocker , try not to wear it. For the wall, each teacher can be equipped with one, and if you choose a high-power one, one machine can satisfy several classrooms. Generally speaking, there are still many questions about the purchase of mobile phone signal jammers for exams. At this time, you can come to contact us to understand the price. This is a company with a first-class team for technical support and many years of experience in researching and developing test signal jammers. The manufacturer has been highly praised by many customers who have cooperated with it, and it is trustworthy for eliminating the phenomenon of electronic cheating in the examination room.