JrelecsAPM 2.6 Flight Controller Board For Multicopter Quadcopter Flight Controller Part APM2.6 ArduPilot Mega 2.6 External Compass APM Flight Controller Board w/GPS for Multicopter Fixed-wing Copter Can be ordered with top entry pins for attaching connectors vertically, or as side entry pins to slide your connectors in to either end horizontally This is the new APM 2.6 autopilot module. The sensors are exactly the same as with APM2.5+, however this version does not have an onboard compass, which makes this version ideal for use with multicopters and rovers. Onboard 4 MegaByte Dataflash chip for automatic datalogging