In the construction of some important exam projects, we will definitely try to install some signal shielding and interference equipment. However, in the actual use process, it can be found that sometimes the interference effect is not ideal after the Mobile phone signal jammer is turned on for work....
The frequency jammer mainly shields the signal based on the analysis of signal communication principles, targeting various frequency bands of wireless signals. At present, frequency jammers scan channels from low-end frequencies to high-end frequencies at a certain rate during operation. This method...
In recent years, the changes in 4G-5G and the development of mobile communication devices have enriched people's daily lives and greatly promoted social and economic development. At the same time, the unrestrained use of mobile electronic devices such as mobile phones has caused headaches in some te...
The current signal jammer has a new type of signal shielding technology, which has a high interference effect. It can cover the communication area in the examination room, effectively shield the Mobile phone signal in the examination room, and ensure its fairness. The current signal blocking devices...
In recent years, mobile phones have developed rapidly and have become an essential and important communication tool in people's lives. However, in certain situations, mobile phones can cause trouble for people. For example, some people cheat on their mobile phones in exams, and leak secrets through ...
As mobile phones bring convenience to people's daily lives, it is inevitable that some people will maliciously use their phones to engage in some bad behavior. For example, in the past, cheating in exams was mainly done by taking notes and carrying notes into the exam room, but now it is possible to...
The communication of mobile phones is transmitted through the signals of base stations. The current coverage of Mobile phone signal is relatively high. The three major state-owned operators are sparing no effort to build infrastructure such as base stations to enhance the coverage of Mobile phone si...
When a mobile phone is used for external calls, it converts all operations on the phone into data and transmits the data through electromagnetic waves. Electromagnetic waves associate mobile phones and signal base stations within a certain frequency range, and then complete data conversion and trans...
Frequency jammers can block signals from various electronic communication products and have been explored in many places. And the most widely used place is that it can often be seen appearing during school exams. After the changes of the times, the speed of information dissemination nowadays is very...
In the process of formulating standardized examination halls, the vast majority of customers choose to install some signal shielding machinery projects, but there are always some customers who may find that the shielding effect is not ideal after the signal interference machine is turned on and work...
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