Get better signals while conserving battery power with this GA™ 27C low-profile remote antenna. Runs on a lower voltage so battery drain is minimized. Two mounting options include a magnetic mount for the outside of your vehicle or vessel and a suction mount to hold the antenna in place against the inside of your windshield or window. With 8 ft (2.44 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. Compatible with the Garmin Aera 660/760.