Simrad RS90 Operating Manual page 15

System overview diagram - legend
1 RS90 VHF radio transceiver
2 12 VDC power supply
3 Wireless handset
4 Wired handset
5 External loudspeaker
6 NMEA 0183 GPS and horn button
7 AIS data output
8 Loud hailer speaker
9 VHF antenna
10 NMEA 2000 network connection
System Overview | RS90 Operating Manual
| 15