GXM? 54 Satellite Weather/Radio Antenna - Black The GXM 54 satellite weather/radio antenna with SiriusXM coverage lets users head out with detailed weather information that?s 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 of SiriusXM satellite radio. Plus, add Fish Mapping? to find suggested potential hot spots for popular species ? including mahi, marlin, swordfish, wahoo, and yellowfin ? based on sea conditions. Display sea surface temperature contours, surface temperature front strength, and 30-meter subsurface temperature contours, and monitor plankton data such as concentration contours and plankton front strength. GXM 54 is easy to install and use, and its reliable antenna provides the best possible reception ? even on the fringes of SiriusXM coverage. It?s fully compatible with select Garmin chartplotters and chartplotter/sonar combos. Features: See detailed weather information directly on a compatible Garmin chartplotter for increased situational awareness Use the fish mapping feature to find suggested potential hot spots for popular species and to view sea surface temperatures, plankton concentrations, floating algae, and more Refine the fish species that appear on the chartplotter map Experience high-quality entertainment with access to more than 150 channels of SiriusXM satellite radio Gain access to the most current weather conditions and forecasts, including NEXRAD, lightning, wind, and waves A reliable antenna provides the best possible reception ? even on the fringes of SiriusXM coverage Physical: Dimensions (D x H): 3.61? x 1.95? (91.6 x 49.5 mm) Weight: 7.9 oz (224 g) Operating temperature range: From -22 to 158 degrees F (from -30 to 70 degrees C) Storage temperature range: From -31 to 185 degrees F (from -35 to 85 degrees C) Case material: Fully gasketed, plastic and die-cast aluminum Water rating: IPX7 Electrical: Power input source: From 9 to 32 Vdc Input current: 500 mA max. at 12 Vdc Max power usage: 6 W Fuse: 32 V, 2 A, mini-blade type, fast-acting In the Box: GXM 54 Pole mount Surface mount Mounting hardware Cable (6 meters) Power and audio module Documentation Weather, audio, and fish mapping features each require a paid subscription with SiriusXM