A 3km range seems pretty low looking at the size of e.g. Frankfurt Airport.
The bigger issue I assume is probably that even if you react very quickly the drone might be already gone already anyway.
The bigger issue I assume is probably that even if you react very quickly the drone might be already gone already anyway.
In Paris they developed an electronic barrier wall for drones. Yes maybe these are autonomous enough that when the link is cut they continue on their mission but I think something is better than nothing.
These tools are widely available.