Garmin GXM 54 Satellite Weather/Radio Antenna - Black [010-02277-10] Ram Mount Store | D Size 5" diameter ball connected to

5" diameter ball connected to a base with single strap

Keeping with that tried and true design

Because you needn’t lift your eyes from the compass in order to look into the terrain

RAM® mounts are backed by a lifetime warranty

Garmin GXM 54 Satellite Weather/Radio Antenna - Black [010-02277-10] Ram Mount Store | D Size 5" diameter ball connected toGXM 54 Satellite Weather Radio Antenna Black The GXM 54 satellite weather radio antenna with SiriusXM coverage lets users head out with detailed weather information thats delivered straight to a Garmin chartplotter. Users gain added awareness and confidence on the water with the most current weather conditions and forecasts, including NEXRAD, lightning, wind, and wave information. And users enjoy high quality entertainment with more than 150 channels