AV51B Marine VHFAIS Antenna - 4' (cable sold separately)
BI Series Antennas have a BNC connector at the base and cable is center-fed.
The AV51BI-4 is a high quality dipole antenna designed for the maritime VHF radio telephone service. It is designed for use on pleasure craft, but the high quality means it may be installed on all kinds of vessels. It comes with integrated BNC coaxial connector.