The HELIX 7 CHIRP MEGA SI GPS G4N fish finder features MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, Internal GPS and Humminbird Basemap built-in. An upgraded high-definition 7" display will give you the best view of the many pre-loaded split screen view options so that you'll never miss a fish. All HELIX 7 G4N models support Ethernet networking, Bluetooth(R), NMEA 2000(R), Wi-Fi and are compatible with the One-Boat Network(TM), which means you'll have total control of your fishing machine at your fingertips.

Keypad control: Master HELIX at the touch of a button. Access the pre-loaded views from the user-friendly menu system, operated by softkey controls that allow you to reliably operate your fish finder in any conditions.

MEGA Side Imaging: See the world below like never before with crystal-clear viewing out to 125 feet on either side of your boat. You'll unlock new details with up to 3X more detail than standard Side Imaging sonar.

MEGA Down Imaging: Get unprecedented underwater clarity with coverage down to 125 feet below your boat. You'll unlock new details with up to 3X more detail than standard Down Imaging sonar.

Dual Spectrum CHIRP sonar: Before you cast, know what's down there thanks to highly-detailed fish arches and a clear view of fish-holding structure and the bottom. Powered by our proprietary, Low-Q CHIRP transducer, Dual Spectrum CHIRP 2D sonar offers two ways to search; Wide Mode for maximum coverage and Narrow Mode for focusing on the slightest detail.

Internal GPS and Humminbird Basemap: Our enhanced basemap provides you with a clear view of underwater terrain and surrounding points of interest so you can fish and navigate with total confidence. Identify buoys, day markers, hazards, marinas, contours, depth markers and much, much more. 

 These Humminbird models seamlessly integrate and communicate with other Humminbird and Minn Kota products to unlock more features and capabilities for anglers everywhere. 

Ethernet Networking:  Easily connect multiple fish finders, or upgrade to add-on technologies like Minn Kota i-Pilot Link and Humminbird CHIRP Radar.