Part Number: 071-01215-0013 (Com frequency selector)Part Number: 071-01215-0028 (Com frequency selector)Part Number: 071-01215-0033 (Com frequency selector)Part Number: 071-01282-0028 (Com frequency selector)Part Number: 071-1215-13 (Com frequency selector)Part Number: 071-1215-28 (Com frequency selector)Part Number: 071-1282-28 (Com frequency selector)