DJI Phantom 4 RTK - Used drone - Drone Parts Center
DJI brings back the Phantom drone, a year after it vanished from stores - The Verge
Amazon.com: Release and Drop Professional Device for DJI Phantom 4 (all models) – Drone Fishing, Bait Release, Load Delivery, Search and Rescue and Fun – U.S. Patent - by DRONE SKY HOOK :