11-16-2010, 11:16 PM
I currently have the G2 and would like to upgrade to the G3. Would there be any advantage to just ordering the G3 transmitter and marrying it to the old collars? Or would it be best to just sell the entire G2 unit and buy new G3 unit? Don't know what I could get for a used G2 Pro 500 3 dog unit.