For sale is a GAUI GU-INS with GPS Return to home, I have used this a couple of times and removed in perfect condition with all instructions and cables never crashed.
Good bit of kit and does not require a PC to setup and can be installed and up and running in minutes.
Features: GAUI GU-INS supports X-type flying Quad-copter.
Onboard USB interface connector for firmware updates.
Interface provided to connect with standard receiver and JR satellite receiver.
Easy to install and setup, no need of software on PC for adjustment.
All functions can be setup & confirmed by LED lights indication.
All in one design (combined inertial measurement unit and main controller) with simple cable wiring.
Specifications:
1. Dimensions:Main controller: 53.5 x 38.5 x 12mm GPS antenna: 42 x 34 x 15mm Weight:Main controller: 27g (w/o cables ),
GPS antenna: 23g (with cable)
2. Frequency: 400Hz output to ESC
3. Operating temperature: -20~80