The Humminbird External GPSAntenna is aprecision 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,... more
ASGRPPrecisionGPSAntennaPrecisionGPS/WAAS receiver provides fast position fixes accurate within 2.5 meters. Provides more accurate position fixes than the industry standar GPS. The receiver's dimension are: 3.25" diameter, 1.5" high. more
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