The principle of communication devices such as mobile phones is to transmit signals to the phone through wireless electromagnetic waves based on the base station, so that the phone signal can be connected to the base station signal. Each radio wave in the signal frequency band has a different operat...
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 signal interference device in the exam room is designed to prevent unexpected situations from occurring during the exam. In order to prevent people from carrying some mobile phones or electronic devices to cheat during exams, as well as high-tech cameras and transmission devices, the school will...
The application of intelligent vehicle jammers is becoming increasingly widespread in modern society, especially in protecting important activities and maintaining public safety. The following will provide a detailed introduction to the usage of vehicle intelligent jammers. The vehicle intelligent j...
As a portable and multifunctional wireless communication interference device, portable signal jammers have demonstrated their unique value and role in multiple fields of modern society. Here are some places where portable signal jammers may be used and their detailed explanations: 1、 Government agen...
With the continuous development of communication technology, 5G shielding devices will face higher technical challenges. In the future, blockers need to have higher frequency band coverage and stronger interference capabilities to adapt to more complex communication environments. While pursuing tech...
The higher the power, the better the effect of a frequency interference instrument. Factors such as electronic components, working mode, indoor and outdoor environment need to be considered. The interference effect is affected by signal strength, quality, direction, distance, and transmission charac...
When purchasing signal blockers for standardized examination rooms, it is necessary to choose products that test the blocking effect. During the selection process, it is important to consider whether they can block all current mobile signal networks. The power size and functional model of the shield...
The application of vehicle jammers is becoming increasingly widespread in modern society, especially in protecting important activities and maintaining public safety. The following will provide a detailed introduction to the usage of vehicle jammers. The vehicle jammer mainly consists of high-power ...
The application of vehicle jammers is becoming increasingly widespread in modern society, especially in protecting important activities and maintaining public safety. The following will provide a detailed introduction to the usage of vehicle jammers. The vehicle jammer mainly consists of high-power ...
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