Extra Long 49" whip extends your Tracking range even further. This antenna magnet is larger and more powerful. Using an NMO mount antenna cut to the frequency that the Garmin Astro uses will give you the best range.
Connector: Connector is Compatible to be used with the Garmin Astro. No adaptors are needed!
14Ft of Cable.
Also available is a shorter antenna pre-tuned (18 inch) to the Frequency of the Garmin Astro if you don't require the longer antenna for extreme range tracking your dogs.
If you are looking for an antenna that can be used for both Marine and the Astro, Please select the PL-259 connector with the adaptor which will allow you to connect it to the Astro.