Depends on the UAVs capability. You can jam RF telemetry and control links, along with GPS/GNSS as well. Without GPS/GNSS, the UAV is forced to rely on dead rec

Depends on the UAVs capability. You can jam RF telemetry and control links, along with GPS/GNSS as well. Without GPS/GNSS, the UAV is forced to rely on dead reckoning (inertial guidance). Unless you've got some very expensive gyros and accelerometers onboard, you're limited to short distances/time frames before you crash. If you've got some visual guidance on board, you're less susceptible to jamming (in theory).