Because the mobile phone jammer isolates the communication signal, the communication device is completely "lost" in the shielding range, and it becomes a state of no service and no network. Whether it is 4G signal or WIFI 2.4G signal, it can all be shielded And its shielding range is also very wide. As long as a low-Power Anti Cell Phone Jammer Backpack , it can reach a shielding area of 0 to 20 meters in radius, which is enough to cover an entire classroom. Basically, each classroom only needs to be equipped. One set can be used, and it will not make any sound during the use process, which can meet the requirement of quietness in the examination room. cell phone jammer
Every year the entrance examination and the college entrance examination are national examinations. In such a solemn examination occasion, there are always some people trying to fish in troubled waters. Use some disgraceful means. Examinations like this should have been fair. If it is because some people use some small means, in the end, it is likely to cause a series of serious consequences. Our company has developed a Anti Cell Phone Jammer Backpack . This is an instrument that can shield cell phone signals, so that the cell phone cannot connect to the signal of the cell phone base station during the examination room. Therefore, those who want to take advantage of this opportunity to speculate, naturally have no way to use these little tricks. In fact, the examination room has also taken corresponding measures over the years, but the previous results were not very good. Every year, there are cheatings of all kinds. How many students have been treated unfairly because of this. Fortunately, there is a mobile phone jammer produced by the company Shenzhou Mingda, which is not only of reliable quality. And the effect is good.