Humminbird External GPS Antenna

The Humminbird External GPS Antenna is a precision NMEA0183 GPS/WAAS receiver that provides fast position fixes accurate within 2.5 meters. Provides more accurate position fixes than the industry standard GPS.FeaturesReceiver dimensions: 3.25" diameter, 1.5" high and comes with 20' cable and has a 1"-14 thread count stem mountable with an optional antenna stem (antenna stem not included). Software must be 6.300 or higher for the Humminbird system to be compatible with the AS GRP GPS receiver. Compatible with: all SOLIX Series*, all HELIX 12 Series, all HELIX 10 Series, all HELIX 9 Series, all HELIX 7 G2N Series, all ONIX Series*, all 1100 Series, all 900 Series, all 800 SeriesNote*: SOLIX and ONIX Series require purchase of AS GPS NMEA cable for connection.Note: this GPS receiver WILL NOT work with InterLink.1-Year Limited Warranty