Network connections ContentsConnections overview — Ray53The following connections are available on the Ray53.Connections overview — Ray63 / Ray73The following connections are available on the Ray63 and Ray73.Connecting a VHF antennaThe radio must be connected to a suitable VHF antenna (not supplied). The antenna connection must be protected so it cannot come into contact with any bare metal (which may be grounded). A protective boot is supplied that can be used to ensure isolation of the antenna connection.GNSS (GPS) antenna connectionYou can improve the performance of your radio’s built-in GNSS (GPS) receiver using an external antenna.Passive speaker connectionA passive speaker (A80542) can be connected using the RCA lead on the radio or on the handset adaptor cable.Fistmic connection (Ray63 / Ray73 only)The Fistmic can be connected directly to the front connector on your Radio.Secondary handset station (Ray63 / Ray73 only)The Raymic handset accessory can be connected to the Secondary station connector located on the rear of the radio, this will create a second fully functional station.Wireless hub connection (Ray63 / Ray73 only)The Wireless hub connects to the second station connector on the rear of the Ray63 / Ray73 radios using the Wireless hub adaptor. The Wireless hub allows connection of wireless handset stations.Wireless handset connections (Ray63 / Ray73 only)The Wireless handset connects wirelessly to the Wireless hub, and the Wireless speaker connects wirelessly to the Wireless handset.Previous topic: MountingNext topic: NMEA 0183 connections