Race car radio roof mount antenna-1/4 wave THIS IS ONE OF THE  BEST ANTENNA ON THE MARKET FOR RACING-1/4  Ground plane needed if not mounted on a metal roof.

Includes antenna,antenna base with 16' antenna cord and the standard bnc twist connector on the radio end ready to connect to the BNC antenna adaptor [included].

Includes the BNC radio adaptor. This is the correct bnc adaptor for the MOTOROLA GP68