Furuno VHF-AIS Splitter f/FA-30 Only [000-011-704]FA 30 VHF AIS Splitter The VHF splitter enables the AIS receiver and VHF transceiver to share a single VHF antenna. Note: The FA 30 can not receive AIS signal when the VHF transceiver is transmitting. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. Owner's Manual (pdf)