GXM 54 Satellite WeatherRadio Antenna - WhiteAdd SiriusXM Weather and Radio Plus Fish Mapping Directly on Your ChartplotterThe GXM 54 satellite weatherradio antenna with SiriusXM coverage lets you head out with detailed weather information¹ thats delivered straight to your Garmin chartplotter. With the most current weather conditions and forecasts, youll gain added awareness and confidence on the water, including NEXRAD, lightning, wind, and wave information. And youll enjoy high-quality enterta