Garmin GA 24 MCX Sirius XM Antenna 010-12498-40

For better reception in vehicle interiors, this external SiriusXM antenna is the answer. It comes with more than 23 feet (7 meters) of cable and MCX connector. Size 1.57" (39.9 mm) L x 1.8" (46.0 mm) W x 0.61" (15.5 mm) H.