Why is the shielding effect of signal shielding equipment becoming poor after prolonged use? In fact, the shielding effect of the signal jammer at this time is related to your long-term use and the local environment. After long-term use, the equipment will also generate heat, and then the frequency ...
The increase in mobile phones has driven the signal blocking industry. Nowadays, some confidential places that prohibit making calls, sending messages, and accessing the internet are more or less encountered, and mobile phone jammers have always been adept at these places, making them excellent bloc...
The increasing demand for mobile phones has led to an increase in the demand for some signal blocking devices. When we use a mobile phone for a call, we use the uplink frequency to contact the base station, and then the signal from the base station passes through the operator to achieve the call fun...
Communication equipment is basically transmitted by signals from base stations. Nowadays, the coverage rate of mobile phone signals is relatively high. The three major state-owned operators are sparing no effort in building infrastructure such as base stations to enhance the coverage range of mobile...
Mobile signal jammers are widely used in special places such as meeting rooms to deal with threats such as information leakage from mobile phones. It can block a certain range of radio frequencies, causing signal traffic congestion, thereby blocking all normal communication signals. Like radio silen...
Due to the occurrence of cheating in exam rooms every year, it has brought serious negative impacts on education and social security. As an effective product to prevent communication cheating, it has received increasing attention and praise. The emergence of wireless interference devices helps candi...
Due to 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. In order to effectively prevent and combat cheating in exams, ensure that candidates truly reflect thei...
For places such as exam halls, prisons, gas stations, etc. that do not require mobile phones, they are essential equipment. The main function of a mobile phone jammer is to block the signal of the phone and prevent it from functioning properly. It is very convenient to use during exams, as it only n...
As a very important communication device, mobile phones have many powerful functions for the transmission of information between users, which may lead to the leakage of important information from some institutions. Many departments have adopted the installation of frequency interference machines to ...
The current mobile jammer shielding technology is relatively mature, and the shielding equipment has a high interference effect, which can cover the communication area within the examination hall, effectively blocking the mobile phone signal inside the examination hall, and ensuring its fairness. Th...
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