The Garmin GA31 Passive GPS Antenna is a reliable and high-quality accessory designed specifically for the GPSMAP 182C, 192C, 292, 398, 498, and 180 Chartplotter. With a manufacturer warranty of 90 days and a Taiwanese origin, this antenna ensures precise and accurate GPS signals for your boating adventures. Its compatibility with various Garmin models makes it a versatile and essential component for enhancing your navigation experience on the water.