The drones have a big problem in that they can be knocked out of communications with the ground support infrastructure using fairly cheap portable ECM equipment

The drones have a big problem in that they can be knocked out of communications with the ground support infrastructure using fairly cheap portable ECM equipment I am nowhere near an expert on this subject, but it seems to me that drones could be very resistant to ground-based jamming. All their antennas and communications can be above the plane, perhaps relayed via another drone or aircraft flying very high overhead.