Garmin 5212
The GPSMap 5212 is one of the top of the line Garmin chartplotters.
Loaded with detailed maps of the US Coast the 5212 has a touchscreen interface (no buttons) on a high resolution 12.1 inch color screen.
The 5212 is a chartplotter but you can also connect sonar, radar, and weather. And the 5212 has video inputs. You can also add maps using the SD card slot.
Garmin 4212
The Garmin GPSMap 4212 packs a 12.1 inch brilliant color display in a slim design.
The 4212 is a chartplotter that comes preloaded with maps of the US coast including the Bahamas, Alaska, and Hawaii. Included are detailed coastlines, shaded depth contours, navigation aids, port plants, wrecks, restricted areas and tide information.
The controls on the Gamin 4212 make it easy to use and you can add sonar, radar, and weather. And if necessary you can add additional charts.
Garmin 545/545s
A super bright 5-inch chartplotter preloaded with detailed maps that is perfect for small spaces.
The 545s includes a powerful digital sounder that paints clear depth contours and fish targets. And the 545 supports the optional GXM 31 antenna - XM Satellite - for weather and hundreds of XM Satellite radio stations.