The HELIX 7 CHIRP SI GPS G4 fish finder features CHIRP Side Imaging, CHIRP Down Imaging, Dual Spectrum CHIRP Sonar, 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. This unit is a No Network model meaning it does not support Ethernet Networking, Bluetooth®, NMEA 2000®, and is not compatible with the One-Boat Network™.