Hobbypower APM2.8 Flight Controller + CRIUS NEO-7M GPS Module + Power Module APM2.6 Updated APM2.8 Flight Controller, newest APM version, with Shock Absorber designed NEO-7M GPS & Compass Module , This is the high performance GPS module with HMC5883L compass. It can be mounted away from sources of interference. It features active circuitry for the ceramic patch antenna, rechargeable backup Capacitors for warm starts. Crius Power Module , This Power Module is only designed to power APM/Arduflyer, a RC receiver and accessories (GPS, Radio telemetry). It is not designed to power servos. Use your aircraft's own ESC/BEC for that.