Garmin GPS 17x under deck mount adapter - Walmart.com
garmin gps 17x | eBay
Garmin GPS-17X NMEA 2000 GPS Antenna -32 Foot Drop cable (Good Cond) Free Ship! - Max Marine Electronics
Why am I not able to acquire satellites with my GPSMAP 3000 series chartplotter that is using a GPS 17 HVS, GPS 17x HVS, or GPS 19x HVS antenna? | Garmin Support