I have just replaced my Garmin 128 Marine Navigator GPS with a newer model and want to sell the 128 model. The unit works well, and includes the power/data cable (needs a new in-line fuse), Quick Reference Guide, Owner's Manual, and mounting bracket & knobs. It does not include the GPS antenna/cable. The cover is somewhat faded. You can view the unit and read about it here: https://buy.garmin.com/shop/shop.do?pID=97 I am asking $50 plus shipping. Bill Donovan