Garmin GPSMAP 521S Dual Frequency Combo

Features an ultra-bright 5" 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. It's ready to go with a built-in, satellite enhanced worldwide basemap and Garmin's proven easy-to-use interface designed to help mariners navigate the open waters with ease.

Features and Specifications:

• Ultra-bright 5" 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
  
• Built-in high-sensitivity GPS receiver
  
• 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 an 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: 5.9"H x6.4"W x 2.9"D
  
• Power output: 500 watts (RMS) 4000 watts (peak to peak), dual frequency
  
• Depth: 1500 feet/500 meters (dual beam)
  
• Use a dual frequency transducer 50 kHz (45 degrees), 200kHz (10 degrees) for maximum saltwater performance
  
• 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

  Specifications:

  • Basemap: Yes
  • Card Format: SD
  • Cartography - Preloaded: No
  • Cartography Brand: Garmin
  • Cartography Type: Bluechart Vision
  • Frequency: 50/200
  • Internal/External Antenna: Internal
  • Resolution (VxH): 234 x 320
  • Screen Size: 5'
  • Screen Type: Color
  • Speed/Temp: Temp Only
  • Touchscreen: No
  • Transducer Type: Transom Mount
  • Waterproof Rating: Waterproof
  • Watts RMS - Max: 500w
  • Waypoints/Routes: 3000
  • Weather Capable: Yes
  • Included Transducer: 010-10272-00

  010-00760-01

We are pleased to announce our new shipping promotions below. These rates apply to your entire order*!

*These offers apply to in-stock orders to the lower 48 states only. We cannot include shipments to Alaska, Hawaii, Puerto Rico or any other US Territory. Please call or email us for rates to these locations. Oversized packages are also excluded for 3, 2, and next day shipping. Items that are shipped freight are also excluded. Because we have many different warehouses around the United States we reserve the right to choose the carrier. Signature service can be requested for $3 extra.

International Customers:

We speak French, German, and Italian!

Please use the shipping calculator for an accurate shipping quote.
We ship via DHL International and USPS. Shipping insurance is optional but recommended and costs $5 for all international orders. Items that can fit in a flat rate envelope are shipped via flat rate service. Please keep in mind that USPS Flat Rate Priority Mail does not include detailed tracking and is not covered by insurance to certain countries. For a list of these countries please email us.

International order processing takes approx. 3-5 business days.
Many countries impose their own customs, duties, tariffs, taxes, etc... on items imported from the USA. We do not cover those costs.

The shipping transit times are approx. as follow: