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Unfortunately Garmin Compact Chartplotter GPSMAP 421/421s w/ 4-inch QVGA Color Display is not listed by CampSaver.You can also explore other items in the Fishing, Boating & Marine, Fishing Marine Electronics, Fishfinders yourself to try and find the perfect replacement for you!
The Garmin GPSMAP 421 is a compact chartplotter that features an ultra-bright 4" QVGA color display along with an improved high-speed digital design for increased map drawing and panning speeds. This fish finder from Garmin ready to go with a built-in, satellite-enhanced worldwide basemap and an easy-to-use interface designed to help you navigate the open waters with ease. The GPSMAP 421 Fish finder also accepts BlueChart g2 Vision Cards for added features and functionality such as high-resolution satellite imagery, 3-D views and Auto Guidance technology.![]()
The GPSMAP-421 basemap contains worldwide satellite images in place of traditional maps. The Garmin fish finder also comes standard with a high-sensitivity GPS receiver for superior satellite tracking and quicker acquisition times. In addition, the Compact FishFinder GPSMAP 421 Series from Garmin can receive U.S. graphical weather data via optional GXM 51 Satellite Receiver/Antenna. And with an SD card slot, it's easy to add additional maps without connecting to a computer.
You can chose from the regular and sounder version of Garmin GPSMAP421. Where applicable, the sounder version, Garmin GPSMAP 421s, comes with a powerful dual-frequency transducer that clearly illustrates depth contours, fish targets and structures whether you're fishing in freshwater or off the coast.
Available Garmin Compact Fish Finders models:
| Battery: | None |
| Waterproof: | Yes (IPX7) |
| Antenna: | Internal |
| NMEA input/output: | NMEA 0183 compatible and NMEA 2000 certified |
| High-sensitivity receiver: | Yes |
| Basemap: | Yes |
| Ability to add maps: | Yes |
| Built-in memory: | No |
| Accepts data cards: | SD card slot |
| Routes: | 100 |
| Garmin sonar compatible: | Yes |
| Garmin Marine Network compatible: | No |
| Auto Guidance: | yes (with optional BlueChart g2 Vision card) |
| Unit dimensions, WxHxD: | 5.7" x 5.0" x 2.7" (14.5 x 12.7 x 6.9 cm) |
| Display size, WxH: | 2.4" x 3.2", 4.0" diagonal (6.1 x 8.1 cm, 10.2 cm diagonal) |
| Display resolution, WxH: | 240 x 320 pixels |
| Weight: | 1.3 lb (590 g) |
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