Replacement Antenna for Astro DC40 Collar
Factory replacment antenna for the Garmin Astro DC40 collar.
To attach your new VHF antenna to the collar:
1) Attach the VHF antenna connector to the DC 40 with the VHF antenna-connector screw
2) Place the rubber cover over the VHF antenna-connector screw
3) Replace the collar strap
4) Connect the DC 40 to the collar using the mounting plate and the two mounting-plate screws