This part effectively replaces the GPS antenna on the following Garmin collars that are having issues not picking up and/or losing connection while hunting. If you Garmin Collar does not have a triple green blink when turned out and left outside with a clear view of the sky for a couple minutes then it is not getting a strong satellite connection.
CAUTION - THIS PART REQUIRES BASIC SOLDERING SKILLS. HIGHLY RECOMMEND PROFESSIONAL INSTALLATION.