Humminbird HELIX 7 GPS CHIRP SI G4 Jack Plates 8 MHz Impedance (Ohms): 50

8 MHz Impedance (Ohms): 50 Gain: 3 dB Max Input (Watts): 50 DC Ground: NO Termination: 15' RG-58 cable Height (feet): 5 Polarization: Vertical Radiation pattern: Omni-directional

This easily mountable unit houses everything you need for your music entertainment in an attractive package with easy-to-use controls

Mating draft angles and part radii have been carefully considered

PSS Shaft Seal 1-1/2" Shaft 2-1/2" Tube

Humminbird HELIX 7 GPS CHIRP SI G4 Jack Plates 8 MHz Impedance (Ohms): 50HELIX 7 GPS CHIRP SI G4 The HELIX 7 SI GPS G4 fish finder features CHIRP Side Imaging, CHIRP 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. Features: Keypad control: Master HELIX at the touch of a button. Access the pre loaded views from the user