Garmin magnetic mount antenna — compatible with Alpha and Astro models, increases range by up to 40%GARMIN

This powerful remote antenna with a magnetic mount easily attaches to your vehicle and connects to your compatible handheld device, allowing you to track your dogs while driving. The antenna increases the operating range by up to 40%. Compatible with all Garmin Alpha and Astro series devices. The antenna height is 40.6 cm, and the cable length is 3.5 m.