At least in amateur radio, antennas too close can damage a radio if they're on the same band. I've heard the F-18's radar can kill animals. AFAIK, most drones

At least in amateur radio, antennas too close can damage a radio if they're on the same band. I've heard the F-18's radar can kill animals. AFAIK, most drones use 2.4Ghz radios, or just pure wifi.