So far, mobile phones have become a necessary tool in life, which can be said that everyone has one hand. However, in some situations, mobile phones can cause trouble for people. For example, some people will use their mobile phones to cheat in exams and leak secrets through their mobile phones in c...
In exam venues, 5G signals may adversely affect exam order and fairness of candidates. Therefore, in order to maintain the order and fairness of the exam, generally using signal shielding equipment has become a common solution. The principle of a frequency jammer is to transmit signals at a certain ...
In some particularly important examinations, it is necessary to ensure discipline in the examination room. In order to ensure that the exam is just in case, more and more examination halls have adopted signal jammers to shield the mobile phone signals in the examination hall and avoid the impact dur...
The construction of most standardized examination halls includes the installation of some signal shielding machines. However, there are always some customers who will find that the shielding effect is not ideal after the frequency jammer of the examination hall is turned on and working. If the facto...
At present, there are many types of wireless jamming devices on the market, but there are still some differences. Some shielding devices are used for projects with high requirements and high standards, which require stable performance and can be targeted to interference according to the site environ...
With the increasing popularity of mobile phone use, the number of mobile phone users has increased a few years ago. The current mobile phone automation function has been continuously expanded. In addition to the basic voice call and short message functions, it also enjoys more application functions ...
In the current era of communication, there are more and more places where wireless jammers are used, such as examination halls, gas stations, meeting rooms, etc. In these places, interference devices are used to interfere with the mobile phone signal, so that the mobile phone does not need to be tur...
When the mobile phone is in normal communication, it will convert all the operations on the mobile phone into data, and then transmit the data through electromagnetic waves. The electromagnetic wave associates the mobile phone with the signal base station in a certain frequency range, and then compl...
High-power and high-current devices will generate heat when they work. If they do not dissipate heat in time, it will affect the normal operation of the machine, and seriously endanger personal safety. Many large electronic devices are very sensitive to the thermal conductivity of the machine itself...
Previously, a customer asked a question. He bought a signal jamming device, but he felt that the jamming effect was not very good and the range was not too large. He asked if there was any way to solve it. In fact, the jamming effect of this signal jammer is also related to the environment you tried...
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