Garmin VHF 115 Series Installation Instructions Manual page 8

Item Description
NMEA 2000 T-connector
NMEA 2000 terminator or backbone cable
Connecting to a Remote GPS Antenna
This device includes an internal GPS antenna. If your mounting location does not provide good GPS reception,
you may install a remote GPS antenna with a female BNC connector (not included), and connect it to the
device.
NOTE: If you connected this device to a NMEA 2000 with a GPS antenna, you can use that antenna as a GPS
source instead of installing a remote GPS antenna
1 Follow the instructions provided with the external GPS antenna to install it on your boat correctly.
2 Route the GPS antenna cable to the back of the VHF 115/VHF 215/VHF 215 AIS device, away from sources
of electrical interference.
3 Connect the GPS antenna cable to the BNC connector on the wiring harness on the VHF 115/VHF 215/VHF
215 AIS device.
8
(NMEA 2000 Connections, page 7).