Many schools have been busy recently, because the days of the college entrance examination are counting down day by day, and they are preparing non-stop materials and machines for the examination room. This is to enable candidates to take the examination 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 Cell Phone Reception BlockerFor Sale that has been vigorously promoted by many schools recently. It is a kind of problem that can effectively counteract electronic signal cheating. Although it is so effective, But what is not known is that when the cell phone jammer is actually put into use, its effect is also different depending on the installation place and situation.
Although the size of the shielding range we have seen can be found in the instruction manual attached to Cell Phone Reception BlockerFor Sale , this data is a laboratory data and is for reference only, and the actual use depends on different situations. First of all, there is no base station within 500 meters nearby, which is one of the reasons that affects the shielding range, and the impact is different according to the length of the distance. Pay attention to this. Secondly, the test signal jammer cannot pass through the wall. This will cause its shielding effect to drop significantly, and metal objects will also affect his shielding effect. Although these kinds of problems will affect the effect of mobile phone jammers in exams, it is still the most effective helper to eliminate electronic cheating. Therefore, those who choose mobile phone jammers are welcome to consult the price of mobile phone jammers. There are professional quality here. And the machines with preferential prices, many years of research and development experience are trustworthy, and we look forward to the presence and cooperation of our customers.
