I have a 2 year old hand held Uniden Mystic VHF/GPS combo unit for sale. Used 1 season on my 240 Sundeck 2 years ago.
Here is the link:
http://www.uniden.com/products/productdetail.cfm?product=MYSTIC&filter=Handheld
Price $225
Here is the link:
http://www.uniden.com/products/productdetail.cfm?product=MYSTIC&filter=Handheld
Price $225