Garmin GA 26C Low-Profile Remote Automobile Antenna 010-10052-04

This new and improved remote antenna runs on a lower voltage, so battery drain is minimized. Comes with 2 mounting options:
Magnetic Mount - For the outside of your vehicle or boat.
Sunction Mount - Holds antenna in place against the inside of your windshield or window.
Comes with 8 feet of cable and BNC connector.
Size: 2.75"L X 2"W X .75"H