Garmin External GPS/Iridium Antenna w/Adapter Cable Connectors & Insulators SonarChart Live Mapping - Watch

SonarChart Live Mapping - Watch new HD depth maps develop in real time as your boat moves through the water

Water Level Offset – Synchronize the depth contours and shorelines of your LakeMaster charts with the actual water levels of lakes

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Coverage includes the Kiel Canal

Replacement Spotlight Bulb Replacement Kit for 22040A & 22041

Garmin External GPS/Iridium Antenna w/Adapter Cable Connectors & Insulators SonarChart Live Mapping - WatchExternal GPS Iridium Antenna with Adapter Cable Use our external passive antenna extension cable when you want to install an external GPS Iridium antenna. Can be used on the exteriors of vehicles or buildings as the antenna is magnetic. The antenna cable is 1. 5 meters (4. 9 ft) long; the dongle, or adapter cable, is about 0. 2 meters (8 in).