Global Positioning System
This is the carbon fiber GPS cap that enables the Microdorne GPS-position hold feature.
It has an integrated GPS antenna / receiver, 3D-magnetometer, Firmware extension.
The GPS cap also allow the machine to follow full autonomous waypoint navigation flight paths with high precision.
Please have a look the the video to get a better understanding of how GPS position hold works.
For more information, please have a look at the GPS Features page