C-MAP 4D NA-D958 Queen Charlotte, SD to Dixon Entrance [M-NA-D958-MS] Brand_McMurdo Low Frequency: 42 kHz to

Low Frequency: 42 kHz to 65 kHz with maximum depth of 914 m (3000') 25° to 16° beamwidth

GPSMAP 7400/7600 and GPSMAP 8400/8600 chartplotters and MFDs

This is the product to power a boat for longer days on the water without the worry of draining the main battery

You can also receive marine weather forecasts directly on your device

C-MAP 4D NA-D958 Queen Charlotte, SD to Dixon Entrance [M-NA-D958-MS] Brand_McMurdo Low Frequency: 42 kHz toC MAP 4D NA D958 Queen Charlotte, SD to Dixon Enterance The next evolution in navigation solutions. C MAP 4D adapts to your boating needs because it's the only digital chart that offers advanced features and lets you add data and services as they become available. Full 4D Content When you choose Full 4D content you will experience the latest in navigation data and technology such as: 3D Chart View The world has three dimensions. When you add the 4th