Core Anti-Drone Countermeasures Mechanisms
06/30 09:30
Communication Blockade:Transmit strong interference signals in the same frequency band as the drone's remote controller, covering normal communication links (such as ISM bands). This causes the drone to "lose connection," triggering return-to-home or forced landing.
Navigation Spoofing:Aim at satellite navigation signals (e.g., GPS/BeiDou) to transmit forged positioning signals (such as spoofing codes), deflecting the drone from its predetermined route or forcing it to land in a specified area.
Protocol Interference:Target specific drone communication protocols (e.g., DJI's O3 video transmission protocol) by sending customized RF signals to parse and hijack control commands.
Technical Notes:
1.ISM Bands: Industrial, Scientific, and Medical radio bands (e.g., 2.4GHz, 5.8GHz) commonly used for drone control.
2.Spoofing Codes: Simulated navigation signals with deliberately altered coordinates to mislead drone positioning.
3.Protocol Hijacking: Reverse-engineered signals that mimic legitimate control packets to override drone operations.
This tripartite mechanism combines frequency jamming, positional deception, and protocol-level hijacking to neutralize drone operations across different scenarios.
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