GPSMAP 541S Combo - Includes dual frequency transducer

Featuers a large 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. They are ready to go with built-in BlueChart g2 marine cartography of the coastal United States - including Alaska, Hawaii, and Explorer Chart data of the Bahamas. Mariners can navigate the waters of with ease knowing that these new units include Garmin's proven easy-to-use interface design.

Features and Specifications:

• Large, ultra-bright 5" diagonal QVGA display, 234 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 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

New sounder design featuring excellent shallow water performance

• Power output: 500 watts (RMS) 4000 watts (peak to peak), dual frequency 400 watts
  
• Depth: 1,500 feet (dual frequency)
  
• Includes a dual frequency transducer 50kHz (45 degrees), 200kHz (10 degrees) for maximum saltwater performance
  
• Patented transom/trolling mount transducer
  
• UltraScroll™ high rep rate sonar provides lightning-fast screen updates
  
• New AutoGain technology enhances target visibility
  
• See-Thru® technology: shows weak and strong returns simultaneously
  
• Water temperature log graphically records water temp data
  
• Round flasher display mode (in dual beam mode) and A-scope (in dual frequency mode)
  
• 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

• High-resolution satellite imagery when overlaid on the chart, will provide the mariner with unparalleled situational awareness
  
• Aerial reference photography provides "real world" photos of ports, harbors, marinas, waterways, navigation landmarks and other points of interest, offering the mariner another powerful tool for navigating unfamiliar waters
  
• Mariners Eye view Provides the mariner with a 3-D perspective of chart information for a quick, reliable and easy position fix.
  
• Fish Eye view 3D perspective below the water line for displaying bottom contours based on bathymetric charting data
  
• Auto guidance technology will search the attributes of all relevant charts to suggest the best course for navigation
  
• Fishing charts, tides, currents, marine services, coastal roads and points of interest detail