Block Unknown Callers On Cell Phone

Nowadays, many schools are busy preparing for the examination room. This is because the most important exam of the year, the college entrance examination is coming soon. Facing this most important exam, many schools are actively preparing for the arrangement of the examination room. The things needed to ensure the normal order of the examination room and meet the basic needs of the examination room. In order to cope with the increasingly rampant electronic signal cheating methods, many schools have even purchased exam Block Unknown Callers On Cell Phone as a countermeasure, but its effective scope is limited, so new questions have arisen. It penetrates the wall. Does the back shield still work? So what effect does cell phone jammer have after passing through the wall?

In fact, we analyze this problem in detail. First, we need to know what power this test Block Unknown Callers On Cell Phone is, because it is divided into 12W, 16W and 18W. The effective range produced by different powers is different. If it is only If it is only low power, it is generally used in an open and small area, which just meets the size of a classroom. However, if you want it to pass through a wall, there will be no shielding effect after actually passing through the wall. Therefore, if you choose a low-power test signal jammer, try not to go through the wall. You can equip one for each teacher, and choose a high-power one. One machine can satisfy several classrooms. Generally speaking, there are still many questions about the purchase of mobile phone jammers for exams. At this time, you can contact us to find out the price. This is a company that has a first-class team for technical support and has many years of experience in researching and developing exam signal jammers. The manufacturer has been highly praised by many customers who have cooperated. It is trustworthy to prevent electronic cheating in the examination room.