Used Garmin GA56 Flange Mount GPS Antenna. Very good condition and bright white. This is used with the GPS150, GNC250, GPS150XL, GNC250XL, GPS155XL, GNC300XL, GPS400, GNC420, GNS430, GPS500, and GNS530. Garanteed working with a 14 day money back warranty. New these retail for $385.00. If you have any questions call Ron or Josh at 765-743-3828.