The 3520 is a smaller version of the 3500 in a compact 2"x1" form-factor. The 3520 includes onboard AHRS and airdata sensors and comes with a pre-wired GPS & radio-modem. Advanced features include mouse-click waypoint creation and track display on a high resolution map image. The 3520 was specifically designed for small, commercial MAVs (Miniature Air Vehicle). The 3520's feature set supports proposed FAA guidelines for Group II sUAS operations.
Waypoints: 64 programmable waypoints ( LON, LAT, ALT, SPD )
Payload servo: ( 1 ) controlled from GCS
Telemetry: 9600b, full-duplex data link ( capable of uploading data in flight )
Sensor Calibration: stored in FLASH
Data Logging: FDR ( 20 channel data recorder @ 1Hz )
Fault detection: lost Link, lost GPS & sensor failure
GPS: 32ch @ 5 Hz ( pre-wired )
max altitude: 1,000 ft AGL
max speed: 50kts
Radio modem: XBeePro set, 1 mile range ( pre-wired )
Recommended for fixed-wing aircraft < 4.4 lb (2 kg)
The ground control software requires a laptop computer running WIN7 or WINXP. This autopilot system has been classified 9A012b by the US Commerce Department and requires an export license ( except Canada ). This autopilot system is limited by software to a maximum range of 295 km. This autopilot hardware has been designed to comply with DO160