Ultimate MCX External GPS Antenna  55dB Gain  Garmin GPSMAP 60, 76; Navman iCN, Lowrance iFinder  Maximize Your GPS Signal! Garmin GA 27C, 010-10052-05 GPS Antenna Navman AA004034 GPS Antenna Lowrance RAA-3 P/N112-17; FA-8, P/N 94-96 GPS Antenna GPS 60, GPSMAP 60, 60C, 60 CS, Lowrance iWay 100M, iFinder, Navman iCN 620, 630, 635, 650, GPS