College entrance examination candidates use “high-tech communication equipment” to cheat

College entrance exam candidates cheat using “high-tech communication equipment”

Nowadays, mobile phones have become an indispensable part of our lives, comparable to the internal organs of the human body. The rapid development of the communications industry has benefited from the large-scale construction of mobile phone base stations across the country. Mobile phones can receive signals wherever they are used, except in areas where base station coverage is insufficient or mobile phone use is restricted. But have you ever wondered how mobile phones work properly? The first step is to establish a connection with a nearby mobile phone base station. When you hold a mobile phone to make a call, the radio waves emitted by the mobile phone are not transmitted directly from your hand to the other party’s mobile phone, but take a detour to reach the base station about 500 meters away from your hand, make a circle, and finally return to the other party’s mobile phone (assuming there is Wi-Fi function). Under normal circumstances, the mobile phone communicates seamlessly with the base station and freely exchanges electromagnetic wave data signals. But when the full-band jammer is turned on, the mobile phone will receive multiple “noisy” electromagnetic wave data signals that are louder than the base station signal. This interference makes it impossible for the mobile phone to understand the communication of the base station, the signal reception is interrupted, and the connection between the two is lost, making the mobile phone almost unusable.

The entire radio wave frequency ranges from a few hertz to tens or hundreds of gigahertz, covering a wide range, and each frequency band may be a communication signal. However, except for a few high-tech devices, traditional full-band Cell Phone Jammers have problems such as weak signals and incomplete coverage, and can only interfere with a small part of the frequency band. Communication tools can use unaffected frequency bands for communication. The 2G, 3G, 4G, and 5G mobile phone services of several domestic communication operators are concentrated in several specific frequency bands. Although there are mobile phone signal jammers in the examination room, various methods can still be used to interfere with these frequency bands. When the mobile phone signal jammer works in the examination room, it will emit radio waves of various frequency bands to interfere with the connection between the mobile phone and the base station. Popular WIFI jammers and GPS jammers in Europe and America are worth buying.

In order to cheat, college entrance examination candidates do not hesitate to use “high-tech communication equipment”. Can the mobile phone signal jammer in the examination room effectively prevent candidates from cheating?

Indeed, the mobile phone signal jammer in the examination room can effectively prevent candidates from using mobile phones to cheat. However, there are always opportunists who try to cheat by using other communication tools, such as buying answers and hiding answers with special radio transmitters; cheating candidates carry wireless communication signal receivers to wirelessly receive the correct answers, etc. However, the devil is one foot high, and the road is one foot higher. JAMMERSIGNAL Information Technology Co., Ltd. specializes in providing personalized solutions that can effectively shield 50~8000MHz signals, leaving cheaters nowhere to hide. Only in this way can we provide a fair and transparent examination environment for college entrance examination candidates.

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