THOR Anti Drone Microwave Weapon

 Having spent 14 years in microwave working for a military-industrial company I can see how this approach would work against drones in place of expensive weapons. Click here for more information

AFRL's THOR (Tactical High-power Operational Responder) is a prototype Directed Energy (DE) weapon used to disable the electronics in drones and was specifically engineered to counter multiple targets – such as a drone swarm – with rapid results.

Source Air Force Research Laboratory