Laser comms: https://www.popsci.com/technology/use-laser-to-control-drone/ or search "laser controlled drones". There is also the technique of using a laser to "tag" a target so that an autonomous drone can attack without using either GPS or RF control.
Home jamming: Jamming is very effective without the detection feature. Get one from https://allfrequencyjammer.com/ and jam 2.4GHz and 5.8GHz... bearing in mind that it's completely illegal in Australia to do this.
Laser comms:...
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