Drone jammersa are readily available for sale.
"James E. Burke, electronics engineer at the U.S. Army’s Combat Capabilities Development Command Armaments Center, received U.S. patent 10,180,309 on Tuesday, giving the Army intellectual property protections on Burke’s “Electromagnetic Pulse Transmitter Muzzle Adapter.”
This invention would enable a single soldier in a ground unit to destroy enemy electronics, such as small drones or improvised explosive devices, by attaching a special blank-firing adapter to their rifle’s muzzle, then firing a shot."