Factory cell phone signal jammer
Looking at the news on mobile phones recently, it can be found that there is a kind of machine called test signal jammer that has appeared frequently in colleges and universities, and their shadows can be seen in every test room. What are they?
Factory cell phone signal blocking
In fact, this is a shielding machine that can block the communication network signal. It is the best way to prepare for the exam and to prevent candidates from cheating with electronic products in the exam room. This is also to allow candidates to take the test in a fair and authoritative examination room that can maintain the normal order of the examination room, so that the candidates' results are more authentic.
It's just that the shielding effect of the test cell phone signal jammer is limited in scope, generally within a radius of 0 to 50 meters, and the area is about 250 square meters. Within this range, it can be guaranteed to be blocked. Communication network signal and WIFI signal, but when installing the test signal jammer in the test room, pay attention to avoid covering it with metal objects, because this will seriously affect its shielding effect, and because the shielding effect will pass through the wall. It is best to ensure that it is in an open area when using it, so as to ensure that the effect of the shielding device is maximized.
If you feel that the low power is not suitable, you can also choose a higher power. In fact, colleges and universities have very high requirements for such high-tech machines and equipment for test signal jammers. If you want to choose high-performance machines, you are welcome to come to Chengdu Saiyue Communication to inquire about the price of signal jammers, here Can provide cost-effective professional equipment, has many years of rich experience in manufacturing, product quality is guaranteed, welcome to purchase strategic cooperation.
