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The development of drone technology has brought tremendous changes and opportunities to modern military, civilian, and commercial applications. However, the use of drones for malicious activities, such as illegal intrusion, reconnaissance, surveillance, attacks, and even gas release, poses a security threat to humanity. Therefore, the demand for drone countermeasures technology is also increasing.
Drone countermeasures technology refers to the use of various means to combat and destroy invading drones. When countering drones, it is first necessary to understand their operating frequency band. The working frequency band is the frequency band used by drones. According to the radio budget and equipment selection, the operating frequency band requirements for drone countermeasures are usually 2400-2485MHZ.5715-5850MHZ.5150-5250MHZ. This is because these frequency bands include a wide range of radio frequency bands, such as UHF, GSM, GPS, GLONASS, etc.
In the frequency bands below remote control, the 2.4G and 5.8G frequency bands are the main communication frequency bands for radio communication. They are widely used in unmanned aerial vehicle flight control communication, 1.5G frequency band for scheduling, navigation, and positioning. Therefore, the study of these frequency bands in drone countermeasures is crucial. The anti-interference ability of these frequency bands is poor, and they can disrupt the communication and navigation systems of unmanned aerial vehicles by utilizing interference signals of different frequencies and amplitudes.
The ISM frequency band (Industrial, Scientific and Medical bands) is a group of low-power radio frequencies used for low-power equipment and radio communication. These frequency bands are also used by drones for controlling and transmitting data. Therefore, these frequency bands are also considered key research objects for drone countermeasures.
GPS, GLONASS and other satellite navigation frequency bands are used for global satellite positioning systems. In drone applications, they are used for automatic navigation and automatic landing. The specific frequency and amplitude interference techniques of GPS and GLONASS signals can disrupt the navigation system of unmanned aerial vehicles.
Overall, the research on the working frequency range of drone countermeasures is an important component of drone countermeasures technology. Understanding and mastering the anti-interference characteristics of these frequency bands can help develop more effective drone countermeasures to ensure the safety and interests of the people.