The FY21AP is a stand-alone autopilot system with FY-AFSS algorithm, GPS receiver and barometric sensing equipment. It is fully upgradable with OSD, telemetric digital communication, Data Modem and Ground
Station Control (GCS).

The flexible layout makes this the most versatile autopilot system in the market, designed for beginners, UAV operators and professional RC aerial photographers.

Features:

Internal use high-performance ARM processor, high stability.
6DOF IMU (3 accelerometers, 3 gyros)
10Hz GPS accurate location
Combining GPS and the barometer fix altitude accurately
complete OSD telemetry information display
Optional GCS software , monitor flight trajectory in real time
LED display for flight mode
strong anti-interference ability
Auto return to base in case of signal lose

There are 2 versions available, one with OSD and one without OSD. For more information, see the the specific product pages (price that you find on website maybe lower, the price depends on your membership level at Hobbyking):

FeiYu Tech FY-21AP with AP117 OSD module - Price: US$ 355.00

FeiYu Tech FY-21AP (no OSD module) - Price: US$ 258.00

Feiyu Tech AP117 OSD (With GPS) - Price: US$ 138.00

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