The examination room escort cannot lack artifacts Make Your Own Cell Phone Jammer . It sounds great, but this artifact is not a total omnipotent imagination. So, what are the misunderstandings in using mobile phone signal jammers? First of all, we should understand that the use range of mobile phone jammers is usually calculated by straight-line distance. Most test room signal jammers can shield about 50 meters. If it is calculated based on the size of the classroom, then it is generally the range of a classroom. The reason why many people misunderstand that it is omnipotent with a signal jammer in the examination room is that they do not understand the principle of this kind of instrument. cell phone jammer
There are several characteristics of mobile phone jammers. First of all, its working time is slightly shorter. Because the test time is often not so long, it does not need to provide extra long hours of work at the beginning of its design, so it is designed to dissipate heat. The efficiency requirements are relatively low; secondly, because there are more Make Your Own Cell Phone Jammer s to be equipped in the examination room, and generally the budget is slightly lower, if the price is too high, it will not be able to satisfy the education department to purchase, so it requires the price of the product It is higher. For these two reasons, it is naturally adjusted compared to other equipment. Generally speaking, according to actual use, mobile phone signal jammers are divided into two types, including external antennas and built-in antennas. It has a professional technical team that provides high The high-performance machinery and equipment help the school maintain the order of the examination room, and protect the school to build a fair examination room environment, allowing candidates to devote more attention to the exam. Many customers have also praised it for many years.