With the popularization of 5G signals, mobile jammers have also added signal frequency bands to address this situation, and current signal shielding devices can block 5G signals. Why do some shielding devices have the problem of not being able to block 5G signals? In fact, this is mainly because the...
The current demand for mobile phones is very high, almost every person has one. And in some places, there is no need for this, leading to the derivation of signal shielding products. How these products interfere with communication signals? Firstly, we need to understand how communication signals are...
The examination hall is a sacred and solemn place, but there are always people who maliciously use illegal methods in the examination, which will increase the difficulty and pressure of maintaining discipline and order in the examination hall. The main means of cheating is the use of communication e...
Communication equipment is ubiquitous, and some shielding equipment is necessary for these equipment. The main function of frequency jammer is to shield Mobile phone signal, so that the mobile phone can not operate normally. For places such as exam halls, prisons, gas stations, etc. that do not requ...
Telephone jammers are mainly designed for the use of computers, mobile phones, and other communication electronic devices through network servers, which inevitably result in the leakage of confidential information. Their appearance is mainly used to prevent the installation of this device in school ...
With the development of technology and the popularization of communication tools, the phenomenon of cheating in exams is becoming increasingly serious, which has brought serious negative impacts on education and social security. Nowadays, exams are an important standard for measuring the level and q...
Mobile phone jammers make mobile phones unable to connect to Mobile phone signal by cutting off the link between mobile phones and signal operators. Generally speaking, when we use mobile phones, mobile phones will send signals to the base station at the first time to connect with each other. After ...
When electronic communication devices are in normal use, they convert all operations on the device into data, and then transmit the data through electromagnetic waves. Electromagnetic waves associate mobile phones with signal base stations within a certain frequency range, and then complete data con...
Cheating in exams using communication devices can increase the difficulty and pressure of maintaining discipline and order in the exam room, and these communication devices are interconnected through signal transmission. At this point, it is necessary to shield the existence of interference devices,...
As an essential tool in people's life, mobile phones are used by more people, and the demand for Mobile phone signal signal shielding equipment is also increasing. When using a mobile phone jammer, you can deal with some troubles caused by having a mobile phone, such as important signals leaking thr...
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