Extended Range AntennaPart #: 010-10856-30New Extended Range Antenna for your Astro 320.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
![garmin extended range antenna f/astro 320 [010 10856 30]](https://bestfishfindersonline.com/wp-content/uploads/2026/01/garmin-extended-range-antenna-f-astro-320-010-10856-30.jpg)
![garmin gpsmap 943 chartplotter gn+ [010 02366 60]](https://bestfishfindersonline.com/wp-content/uploads/2026/01/garmin-gpsmap-943-chartplotter-gn-010-02366-60-300x300.jpg)
![garmin gpsmap 1022 keyed networking chartplotter no sonar [010 01740 00]](https://bestfishfindersonline.com/wp-content/uploads/2026/01/garmin-gpsmap-1022-keyed-networking-chartplotter-no-sonar-010-01740-00-300x300.jpg)
![garmin echomap uhd2 74cv chartplotter/fishfinder combo w/us coastal maps gt20 tm [010 02595 51]](https://bestfishfindersonline.com/wp-content/uploads/2026/01/garmin-echomap-uhd2-74cv-chartplotter-fishfinder-combo-w-us-coastal-maps-300x300.jpg)
![garmin echomap ultra 2 10" livescope plus bundle [010 02880 10]](https://bestfishfindersonline.com/wp-content/uploads/2026/01/garmin-echomap-ultra-2-10-livescope-plus-bundle-010-02880-10-300x300.jpg)
Reviews
There are no reviews yet.