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Garmin GPSMAP 421s Chartplotter Fishfinder 
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GARMIN
GPSMAP 421s

The GPSMAP 421 is a compact chartplotter that features an ultra-bright 4" (10.16 cm) QVGA color display along with an improved high-speed digital design for increased map drawing and panning speeds. It’s 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 also accepts BlueChart® g2 Vision cards (sold separately) for added features and functionality such as high-resolution satellite imagery, 3-D views and Auto Guidance technology.

View Satellite-enhanced Worldwide Basemap

The GPSMAP 421 basemap contains worldwide satellite images in place of traditional maps. The GPSMAP 421 also comes standard with a high-sensitivity GPS receiver for superior satellite tracking and quicker acquisition times. In addition, the GPSMAP 421 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.

Add Extras with BlueChart g2 Vision

With the optional BlueChart g2 Vision SD card, you can add a whole new dimension of exceptional features to your chartplotter.

  • MarinerEye view and FishEye view provide you a 3-D perspective of map information, both above and below the waterline.
  • High-resolution satellite images and aerial photographs help you orient yourself in unfamiliar areas.
  • Auto Guidance technology searches through all relevant charts to create a route you can actually follow — one that avoids obstacles, shallow water, buoys and other obstructions.

Physical dimensions 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
Display type QVGA display
Weight 1.3 lbs (590 g)
Water rating IPX7
Receiver High sensitivity
Antenna Internal with external connection
Mounting options Bail with swivel or flush
Power consumption

Max power usage at 13.8 Vdc: 15 W
Typical current draw at 12 Vdc: 0.6 A

Maps & Memory

Preloaded maps None
Accepts data cards 1 SD™ card
Waypoints 3,000
Routes 100
Track log 10,000 points; 50 saved tracks

Features & Benefits

Garmin Radar compatible No
Garmin Sonar compatible Yes
NMEA 2000® compatible Yes
NMEA 0183 compatible Yes
Garmin Marine Network™ compatible No
Garmin SmartMode compatible (customizable monitor presets) No
Supports AIS (tracks target ships position) Yes
Supports DSC (displays position data from DSC-capable VHF radio) Yes
Tide tables Yes
Garmin Meteor Audio System compatible No
Supports Fusion Lync compatible marine radios No
GSD™ Black Box sonar support No
GCV™ Black Box sonar support No
SiriusXM™ Weather & Radio compatible Yes
BlueChart® Mobile (planning) compatible No
Garmin Helm compatible No
GRID™ (Garmin Remote Input Device) compatible No
Wireless remote compatible No
Wireless mouse compatible No

Sonar Features & Specifications

Dual-frequency (50/200 kHz) sonar capable Yes
Dual-beam (77/200 kHz) sonar capable No
Frequencies supported 50/200 kHz
Transmit power 500 W RMS
CHIRP sonar technology No
DownVü™ No
SideVü™ No
Voltage range 10-32 Vdc input
Maximum depth

1,500 ft.

Bottom lock (shows return from the bottom up) Yes
Water temperature log and graph Yes
Sonar recording No
Sonar history rewind No

Connections

NMEA 0183 input ports 2
NMEA 0183 output ports 2
Video input ports None
Video output ports None
Wireless connectivity No
Garmin Marine Network™ ports None


Model - 010-00764-01 -
w/dual frequency transducer


Quantity:
Price - $449.99