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Drone jammers can be used to jam a drone's RF signal, disabling it and preventing dangerous drones from entering a no-fly zone


Many technologies are being developed to prevent dangerous UAVs from entering the No-fly zone or causing harm to civilians. Among them, radio frequency interference or "jammers" can be used to disrupt the radio frequency signal of drones, leading to their failure. However, in recent testing scenarios, analysts unanimously believe that signal interference as a countermeasure often has more drawbacks than benefits.

Take the incident that occurred at Gatwick International Airport in December as an example. Two rogue drones were discovered flying over the restricted airspace of the airport, resulting in the grounding of 1000 flights and a 36 hour interruption in airport operations. The interference with passengers, the loss of revenue for airports and carriers, and the more difficult to quantify fear caused by these drones are enormous. It is reported that officials at Gatwick Airport tried a variety of remedies, including uav jammer, but they proved ineffective.


It is technically difficult to achieve the level of accuracy required to accurately interfere with drone signals without interfering with other signals that rely on the same radio band. According to Dave Preece, CDO of Fortem Technologies, an airspace safety and security company, People who interfere with radio frequency signals must point the jammer at a moving target, taking into account several variables - from speed and velocity to distance, direction, angle of arrival, and altitude - while ensuring that they do not point or approach objects that may be adversely affected by interference with radio frequency signals in the area. Solving this problem on a small moving object is technically very difficult. Combining it with most criminal or terrorist drones intentionally The combination of the fact of flying on GPS waypoints completely eliminates the RF signal. Therefore, there is no RF signal interference. These 'dark drones' or silent RF drones are not detected or blocked by signal jammers, and can be created by modifying standard drones within a few minutes.

Huge Collateral damage

The other issue with interference is that when the RF signal is interfered with, it usually causes the jammer to guess which frequency band the signal is running on. The typical range of 2.4 to 5.0 MHz means that any technology operating within this range will also be affected by interference. In airport environments, this can cause inconvenience and potentially catastrophic consequences. Air traffic controllers use radio to communicate between pilots and towers. Interference signals can easily disrupt this type of communication. Airport ground technicians monitor the runway and guide the aircraft to the boarding gate between the runways, and also use radio communication between them and the pilot. Disturbed signals may disrupt communication between these critical operations, causing disasters to air and ground traffic. Airport commuters and customers using WiFi may also experience signal interruptions, resulting in significant inconvenience.

Other complications

Due to the fact that radio frequency is a fragile but productive technology, the use of jammers by civilians is illegal - they face fines of $20000 and imprisonment. In addition to using RF communication systems in airport environments, consumer technologies such as IoT devices and medical devices such as pacemakers also rely on RF. TripWire's recent