Whether it is the National Civil Service Test or the English Test Band 4 or Band 6, signal jammers will be used in the examination room to shield all kinds of cheaters. However, many people do not understand how the signal jammer works, or even what signals can be shielded by the shield. Today, let'...
Recently, a customer asked about the need to configure network jammers for the examination hall project, but there are many base stations nearby the examination hall. There are eight base stations distributed within a radius of 300 meters. How to arrange network jammers on this site. The reason why ...
In one's life, one will experience all kinds of examinations, including those in school, and the middle school and college entrance examinations. After entering the society, there are also various skills tests, civil service tests and so on. No matter what kind of test, fairness is the most importan...
A wireless jammer is a device that sends signals to the same frequency. If the jammer is turned on, the jamming is partially successful when the area of the mobile phone signal is disabled. Nowadays, with the increasing number of mobile users, some signal interference and jamming devices also appear...
Up to now, with the increase of mobile phone users, the need for some jammers has become more and more. Nowadays, the frequent use of mobile phones will inevitably encounter some confidential places where it is forbidden to call, send information and surf the Internet. Frequency jammers have always ...
In the current examination, there are always people who want to cheat by using special means, and these means need communication equipment, which can not be separated from signals. And the signal jammer, as its name implies, is aimed at the signals used by some communication devices to interfere wit...
As far as we know about signal jammers, we probably know that shielding machines can interfere with mobile phone signals and can be used in the examination room to prevent candidates from cheating with mobile phones. We are not clear about how shielding machines work and their types. According to th...
Some customers found that in the actual use process, the shielding effect of the telephone jammer in the examination room is not ideal after it is turned on. If the factors of poor shielding equipment selection and performance are excluded, the installation position of the shielding equipment will b...
"It's not surprising." Communication experts explained that 5G is a new network system introduced in recent years, which uses some new radio bands. Many old mobile jammers do not support shielding 5G signals. According to the division of 5G frequency band, the 5G of China Telecom and China Unicom ma...
Mobile phone has become a necessity in our life, on the contrary, the demand for mobile phone signal shielding equipment has also become increasingly. When using the frequency jammer, you can deal with some troubles caused by mobile phones, such as some important signals leaking through mobile phone...
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