Garmin / Tri-Tronics Replacement Antennas

Extend your tracking range on Alpha and Astro handhelds with a telescoping portable antenna. Collapses to 10.5” for pocket carry; extends to 42” when you need the extra reach. Compatible with Alpha 10, 100, 200, 200i, 300, 300i, Astro 320, 430, and more...

Magnetic vehicle-mount antenna for Garmin Alpha and Astro handhelds. Mounts to your vehicle roof or hood; 11.5 ft. cable keeps the handheld inside the cab while you drive. Compatible with Alpha 10 through 300i and Astro 220 through 430...

Replacement 5” standard VHF antenna for the Garmin Astro 430 handheld. Sold as a 2-pack. ..

Flexible 13” extended-range replacement antenna for Garmin Astro 220 and Astro 320 handhelds. Increases tracking range over the stock rubber antenna...