Raymarine Ray73 VHF Radio (optional 2nd handset) with Integrated GPS and AIS receiverRaymarine Ray73 VHF Radio (optional 2nd handset) with Integrated GPS and AIS receiver Raymarines Ray73 radio is communications central for your boat with built in VHF, AIS receiver and loudhailer capabilities. Built on our full sized marine radio chassis, the Ray73 comes with oversized controls and a big screen for easy operation offshore. The Ray73 also supports optional wired or wireless RayMic controllers for true multi station control and intercom