5G represents the fifth generation communication technology. The advantage of 5G is that it can bring users higher bandwidth rates, lower and more reliable latency, and larger network connections. Like previous communication technologies such as 2G, 3G, 4G, and WiFi, the emergence of 5G has greatly ...
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...
What kind of environment can we maximize the effectiveness of network jammers in? Why can't network jammers work well in some places, or the shielding effect is relatively poor? In fact, this is closely related to the electromagnetic environment around the location where the network jammer is used. ...
In order to welcome the college entrance examination in June and the high school entrance examination in July each year, many schools that are about to become exam venues have already begun the construction of standardized exam venues. According to the construction standards of standardized examinat...
If the area where wireless jammer shielding is required is located in a busy urban area or densely populated area, and there are many ordinary people gathering in the surrounding area, it is not recommended to continuously turn on the wireless jammer system for a long time. This is because several e...
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...
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