GARMIN GARMIN MARINE 2812231 GA 38 GPS/GLONASS Antenna MSRP: Price: 2099-12-31 $86.39 The Garmin Marine 2812231 GA 38 GPS/GLONASS Antenna is a high performance antenna designed for use with the Garmin Marine 2812231 GA 38 GPS/GLONASS receiver. This antenna is designed to provide... Add to Cart Add to Cart