Hobby-Ace AP GPS Module with Compass for APM 2.6 2.8 Flight Controller Using the Ublox 7 kernel, a customized version of the chip factory, ultra small size, stable Star Search Suit for APM flight controller Recommand to use with OSD and ground station More FPV series products are provided by Hobby-Ace on Amazon.Bring your eyes into the sky and racing like a free bird, enjoy the ultimate first person view experience.