Garmin GA 25MCX Remote GPS Antenna (Low Profile)

For better reception in vehicle interiors, this new and improved remote antenna is the answer. It has a built-in, magnetic mount for the outside of your vehicle, and comes with more than 8 ft (2.4 m) of cable and MCX connector. Size 2.75" (6.99 cm) L x 2" (5.08 cm) W x 0.75" (1.91 cm) H.