The Signal Jammer has become the "standard" product of various examination halls. In order to ensure the fairness and justice of the examination, these signal interference products will be used to block the wireless communication signal and isolate the cheating behavior of electronic products. These...
Continuing from last year, this year, RF jammers with signal jamming function were installed in many examination halls by local examination management organizations as a technical means to prevent college entrance examination candidates from cheating. However, an article titled "the founder of radio...
Nowadays, mobile phone signals are almost everywhere. While it is convenient to use mobile phones, it is generally difficult to manage in places that are not suitable for using mobile phones. Especially in the gas station, the electromagnetic wave signal generated by the use of mobile phones also af...
Hubei Jingmen No. 1 credit mortgage company, in order to prevent the mortgaged vehicle from being found by the vehicle owner through on-board GPS positioning, unexpectedly thought of using the vehicle jammer to interfere with the positioning signal. Unexpectedly, this practice affected the normal co...
The shielding range of signal jamming equipment varies according to the difference of commodity power. The shielding half diameter of high-power signal jammers used in detention centers can reach hundreds of meters. However, the shielding half diameter of low-power signal jamming equipment used in e...
The selection of Signal Jammer will generally be compared according to three levels: the type of signal interfered, the output power, and the shape and size of the machine. How to select the most appropriate signal jamming equipment according to their own needs? From the perspective of the manufactu...
It is common in the examination room. The small output power mobile phone jammer in the conference hall has a small radiation source, and the output power is only more than ten watts. Moreover, such instruments and equipment are generally used for only a few hours, and the harm to the body can be ig...
Mobile communication is an open electronic communication system. It must complete the transmission task through the communication satellite. As long as there is a corresponding receiving device, it can intercept the call information of any time, any place and any person. Mobile phones can also discl...
Many people only know that wireless jammers can interfere with mobile phone signals. They usually use them in schools or prisons. But I still don't know much about some practical problems. Let's answer them for you. 1. Is the jammer harmful to human body? If the jammer will not cause harm to human b...
Midsummer June is about to usher in the annual college entrance examination. In order to ensure the quality of the examination, many schools have started to prepare for arranging the examination room in advance. One of the more important tasks in arranging the examination room is to install a signal...
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