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Re:A Criminal Gang Used a Drone Swarm to Obstruct an FBI Hos... by dalore on Friday May 04, 2018 @10:29AM (#16994821)
Block line of sight, use a smoke grenade.
Re:A Criminal Gang Used a Drone Swarm to Obstruct an FBI Hos... by downer68 on Friday May 04, 2018 @11:38AM (#16995388)
To be honest, I really don't think laser/LED chanels are being used.

I've never seen a remote control quad copter sold off the shelve with IR LED TV remote style I/O for it's tranceiver control system.