- The GPSMAP 421S is a compact chartplotter that features an ultra-bright 4"QVGA color display along with an improved high-speed digital
- 3D views and Auto Guidance technology.
- Garmin GPSMAP 421S GPS Dual Frequency Combo.
- Gpsmap 421S Chartplotter Combo - Includes Dual Frequency Transducer.Features An Ultra-Bright 4" Qvga Display.
- Along With An Improved High-Speed Digital Design For Faster Map Drawing And Panning Speeds.
- A High-Sensitivity Internal Gps Receiver, So Mariners Will Always Know Their Position At Sea.
- They Are Ready To Go With A Built-In, Satellite-Enhanced Worldwide Basemap And Garmin'S Proven Easy-To-Use Interface.
- Designed To Help You Navigate The Open Waters With Ease.
- This Model Is Compatible With Various Nmea 2000 Components, Inculuding Garmin'S Full Lineup Of Nmea 2000 Marine Sensors And Autopilots.
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