I have for sale 3 GPS units all used with the Ardupilot platforms and genuine from 3DR or Sparkfun.
The first photo is of a V2.0 3DR GPS MTK Unit. Includes 1 long length cable and 1 short length cable. Asking $25.00 shipped.
The second photo is of a V1.1 3DR GPS LEA6 Unit. Includes 1 long length cable and 1 short length cable. Asking $20.00 shipped.
The third photo is of a GS407 Helical GPS Unit. Additionally this includes 2 3DR breakout boards and 2 medium length cables. Asking $45.00 shipped.
Will ship anywhere in the CONUS and will only accept payment via Paypal. Thanks and please if you have any questions ask.
For more details see the ad crosslisted here