Amazon.com: YoungRC F450 Drone Frame Kit 4-Axis Airframe 450mm Quadcopter Frame Kit with Landing Skid Gear : Toys & Games
M8N GPS with Compass + Black GPS Stand Holder for DJI NAZA M Lite V1 V2 Flight Controller F450 S550 Quadcopter|gps m8n|gps ublox m8ngps gps - AliExpress
Archived: Build Your Own Multicopter — Copter documentation