The expansion of the drone market has also brought many problems. People often use drones illegally to break into other people's legitimate territory. The current drone is not stable enough, and the bombing incident affects property and personal safety; the application of obstacle avoidance technology is neglected, and things like hitting the 101 building or hitting a power line occur from time to time, which is very dangerous. Currently, there is no concrete method other than frequency jammer. The flight of drones in the air has not been distributed and managed by a unified system, and flying in the air affects the safety of the aircraft. There have been incidents where drones and civil airliners have passed by, which is very dangerous. Drones violate people's right to privacy. Some people have begun to resent the drones that can be seen in their windows and worry about privacy leakage.

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Drones are often seen in sports, and during the Rio Olympics, reports of at least three drones were spotted flying over the Maracanã Stadium, threatening crowds and athletes performing at the stadium . A debate about the safety of drone use has begun again. The Maracanã is an open-air stadium, so it will be difficult to completely avoid drone interference. But it also proved that the Rio Olympic Committee's attempts to use mobile phone jamming device to prevent drones from interfering with the Olympics failed, and these measures did not take effect.

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Therefore, the Brazilian military has also specially purchased Wifi scrambler to acquire and control the drones flying over the Olympic venues. However, a more complicated debate has arisen. Using this device may "injury" the mobile phone signal, causing the mobile phone to be jammed and unable to make an emergency call in an emergency. Some see this as a violation of human rights. Therefore, there are also requests to the Brazilian authorities not to use these devices.

Sports venues unite communities and create a sense of local identity and pride. Arenas can light up a city's skyline, make a region famous, and unite everyone in a diverse community. Enabling people to swim in the pool and run on the track promotes their health and the vitality of their community. So we should understand how to minimize disruption during athletic competitions - ensuring that critical athletic spaces are reserved for those most in need.

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In order to ensure the safe and smooth holding of the Beijing 2022 Winter Olympics and Winter Paralympics, maintain the order of radio waves in venues and special control areas, and ensure that all kinds of radio equipment used for event business are used normally in the Beijing 2022 Winter Olympics and Winter Olympics. During the Paralympic Games, at present, the relevant departments are carrying out the final rectification of such equipment as mobile communication jammers. This type of mobile communication jammer is also called a GPS Tracker jammer. It can form garbled interference in the received message signal of the mobile phone, so that it cannot detect the normal microwave signal data sent from the base station, and loses connection with the base station within a certain range. To achieve the purpose of prohibiting the use of mobile phones. When the mobile phone is shielded, it is manifested as searching the network, no signal and no service system.

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Moreover, during the Beijing 2022 Winter Olympics and Winter Paralympics, radio control will be implemented in some areas of Beijing and Hebei Province. It is understood that in the control area, the mobile phone can be used normally and is not affected by the control. The so-called radio control refers to restricting or prohibiting the use of radio stations (stations), radio transmitting equipment and non-radio equipment that radiates radio waves, and implementing technical blocking of specific radio frequencies within a specific time and area. Measures to enforce mandatory management of the emission, radiation and propagation of radio waves.

As the world's top sports event, the Olympic Games symbolize world peace, friendship and unity, which is the best embodiment of the Olympic spirit. From "faster, higher, stronger" to "faster, higher, stronger - more united", the evolution of the Olympic motto has profoundly explained the characteristics of the Olympic spirit of the times. So we need mutual understanding, friendship, solidarity and fair competition to keep the Olympic field "quiet".

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