Garmin GPSMAP 421S GPS Dual Frequency Combo #010-00764-01

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. Plus, these waterproof units have 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-t0-use interface designed to help you navigate the open waters with ease. Both models are compatible with various NMEA 2000 components, inculuding Garmin's full lineup of NMEA 2000 marine sensors and autopilots.
Features and Specifications:

• Ultra-bright 4" diagonal QVGA display, 240 x 320 pixels - over 800 nits of brightness
  
• NMEA 2000 certified for seamless integration with the Garmin marine lineup
  
• Preloaded worldwide marine basemap
  
• Compatible with GXM 51 for XM Satellite Radio and XM WX Satellite Weather
  
• High-speed processor for fast screen redraws and smooth panning
  
• Streamlined user interface makes it simple to select modes and features
  
• Single SD memory card slot for BlueChart g2 Vision cards, as well as saving waypoints, routes and tracks to a SD card
  
• Optional BlueChart g2 Vision cards provide marine chart detail and enhanced navigation features like Auto Guidance, satellite imagery, 3-D Mariner's Eye View and 3-D Fish Eye View
  
• Backlit keypad for easy operation in low light conditions
  
• Unit dimensions: 5.0"H x 5.7"W x 2.7"D (12.7cm H x 14.5cm W x 6.9cm D)
  
• Power output: 500 watts (RMS) 4000 watts (peak to peak), dual frequency
  
• Depth: 1500 feet/500 meters (dual frequency)
  
• Use a dual frequency transducer 50 kHz (45 degrees), 200 kHz (10 degrees) for maximum saltwater performance
  
• Patented transom/trolling mount transducer
  
• UltraScroll high rep rate sonar provides lightning-fast screen updates
  
• AutoGain technology enhances target visibility
  
• See-Thru technology: shows weak and strong returns simultaneously
  
• Water temperature log graphically records water temp data
  
• A-scope
  
• Whiteline
  
• Adjustable depth line helps gauge desired fishing levels and bottom clearance
  
• Split zoom display offers a closer look at fish targets and bottom structure
  
• 2X, 4X, and bottomlock zoom
  
• Adjustable keel offset
  
• Alarms for fish size, shallow water, deep water, and low battery.

Frequency = NONE
Internal/External Antenna = NONE
Resolution (VxH) = NONE
Screen Size = NONE
Screen Type = NONE
Speed/Temp = NONE
Touchscreen = NONE
Transducer Type = NONE
Waterproof Rating = NONE
Watts RMS - Max = NONE
Waypoints/Routes = NONE
Weather Capable = NONE
Cartography Type = NONE
Basemap = NONE
Card Format = NONE
Cartography - Preloaded = NONE
Cartography Brand = NONE

Garmin is a leader in Global Positioning System (GPS) technology and an innovator in consumer electronics. Serving both the aviation and consumer markets, their products are used in flying, boating, driving, hiking, and many other activities. Specifically, Garmin aims to enrich the lives of customers, suppliers, distributors, and employees by providing the very best products that offer superior quality, safety, and operational features at affordable prices.

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