Many schools have been busy recently, because the days of the college entrance examination are counting down day by day. They are even more non-stop preparing the materials and machines needed by the examination room. This is to allow candidates to take the exam in a stable and orderly environment. This is also the responsibility of the school. So recently we can see that a kind of machine has been installed in the examination room. This is the Is Making Your Own Cell Phone Jammer Illegal that many schools have vigorously promoted recently. It is a problem that can effectively counteract cheating by electronic signals. Although it is so effective, But one thing that is not well known is, cell phone jammer When it is actually put into use, its effect is also different according to the installation place and situation.
Although the size of the shielding range we have seen can be found in the manual attached to Is Making Your Own Cell Phone Jammer Illegal, this data is a laboratory data, for reference only, and actual use needs to be divided into different situations. First of all, if there is a base station within 500 meters nearby, this is one of the reasons that affect the shielding range, and the effect is different according to the length of the distance. This point should be noted. Secondly, the test signal jammer cannot pass through the wall. This will cause its shielding effect to drop drastically, and metal objects will also affect its shielding effect. Although there are several problems that will affect the effect of the test signal jammer, it is still the most effective way to prevent electronic cheating. So now, those who choose mobile phone jammers are welcome to come to Saiyue Communication to consult the price of mobile phone jammers, here With professional quality and preferential price machines, years of research and development experience is trustworthy, and we look forward to our customers' coming and cooperation.
