Jamming the control and navigation signals should be an effective way of disabling the drones – jammers work within a fixed range radius rather than having to be targeted and have the added benefit of being non-destructive – allowing the capture and re-use of the confused drone…(Drones Jammers)
72 MHz (older analog RC gear in the US)
35 MHz (older analog RC gear in Europe)
433 MHz (RC and telemetry, in Europe)
900-915 MHz (video and telemetry, in the US)
1.3 GHz (video)
2.4 GHz (digital RC gear, video and telemetry)
5.8 GHz (video)

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