Signal jammers are indispensable to maintain a fair and just order in the examination room in large and small examinations. In order to give students enough rest time, many schools also install signal jammers in their dormitories. It can effectively shield CDMA (China Telecom), GSM (China Mobile, Ch...
At present, in terms of security, very few criminals, terrorists and spy organizations, in order to endanger society and obtain confidential information, try to create vicious explosions and obtain important information by placing remote controlled explosives, remote monitoring and other means in pu...
With the continuous progress of modern science and technology, smart phones have brought convenience to people's lives. At the same time, there are many illegal acts using mobile phones. For example, in the past, cheating in exams relied on taking notes, making small copies and stealing notes. Now a...
In recent years, new forms of cheating in examinations have emerged constantly. The means and tools of cheating in examinations have become a professional and high-tech development trend, posing a serious threat to the normal order of examinations. The appearance of cell phone jammer can perfectly s...
If you take a large exam, you will see a signal jammer in the examination room. It can be seen that the signal jammer has become the standard configuration in the school examination room, mainly to prevent examinees from cheating by using mobile phones. We know that today's mobile phones have too ma...
With the popularity of mobile phones, especially in some quiet public places, the sudden ringing of mobile phones will make people feel uncomfortable. In many places, the use of mobile phones is still prohibited, because the use of mobile phones will affect others' rest or work. Although there are c...
For network jammers, most people call them differently, but their functions are the same. It usually covers the area where the signal needs to be shielded. Basically, a uniform and uniform distribution scheme is adopted to ensure coverage at every corner. Under the new digital signal technology, the...
With the popularity of mobile phones, the demand for electronic jammers in various conferences and examinations has also increased significantly. Therefore, electronic jammers naturally have a broad market. However, the vast majority of customers lack sufficient understanding of electronic jammers, ...
With the improvement of people's living standards and the rapid development of high technology, 4G mobile phones are widely used in people of different ages everywhere. Mobile phones make it easier for people everywhere to communicate with each other. At the same time, many people are also adversely...
Examination is a way to test the level of knowledge. The examination can not only check the students' learning ability, but also understand their other skills. In order to ensure the fairness of the examination results, the examination room must have strict disciplinary measures, and specially insta...
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