Last month DJI introduced AeroScope, its ready-to-use system to identify, track and monitor airborne drones while protecting the privacy of drone operators and imposing no costs upon them. - DJI
DJI Aeroscope AS-F1800
Overview of AeroScope, a New DJI System to Track and Identify Drones | Fstoppers
How DJI Aeroscope Works And How It Detects Your DJI Drone.