
In our daily life, mobile phones bring us a lot of convenience, but it seems very unreasonable to carry mobile phones in some places, which also brings us a lot of trouble, and professional products such as interference signals are derived with the development. The school will certainly not allow st...
Many customers call and say that I need a mobile signal jammer that can interfere with a radius of 50 meters, a distance of 500 meters, and a radius of one kilometer, and that it should be shielded by the three networks of China Mobile, China Unicom, and China Telecom. Is there a problem with the cu...
In order to safeguard the interests of the vast majority of examinees and improve the fairness of the examination, necessary restrictive measures must be taken against the cheating of a few people. The examination management department has adopted the practice of installing frequency jammer interfer...
When important examinations are coming, wireless jammers will be arranged in the examination room in advance, which can effectively prevent electronic signal cheating on the college entrance examination. We all know that its interference range is different according to the power. This data is genera...
Nowadays, frequency jammer has been widely used in school examination room, prison detention center, company meeting room and other occasions, especially in school examination room. How to select these signal shielding devices? What problems should education departments pay attention to when purchas...
As a powerful tool in the examination, the signal jammer still plays an important role in the examination in order to ensure the fairness of the students' examination in some important examinations. However, there will inevitably be some accidents in the use. How can we reduce the accidents. The int...
Now, mobile jammers are not so strange, especially in schools. It is usually used before and after the classroom and in preparing for the exam. This device is not only a simple way to shield mobile phone signals, but also a fair competition environment for candidates. The installation of the mobile ...
We all know that in some special situations, the telephone jammer is required to shield the mobile phone signal to prevent leakage or cheating. For example, some confidential meetings are not allowed to carry mobile phones, and when they arrive, the mobile phone signal will be shielded by the teleph...
1. Mobile phones have become a new criminal means, and signal jammers can bring necessary help to social stability. Some opportunists use mobile phones to cheat in exams, and some terrorists and enemies also use mobile phones to detonate bombs. Facts show that mobile phones have become a tool for cr...
"It's not strange." 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 mainl...
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