Humminbird MEGA SI/DI Dual Spectrum CHIRP Transducer w/Temp f/HELIX 7/8 MEGA SI XNT-9-HW-MSI-150-T. Includes built-in temperature sensor rugged composite design impact-release mounting bracket and 20' cable. Specifications for Humminbird XNT-9-HW-MSI-150-T MEGA SI/DI Dual Spectrum CHIRP Transducer w/Temp f/HELIX 7/8 MEGA SI: Manufacturer: Humminbird Color: Black Features of Humminbird XNT-9-HW-MSI-150-T MEGA SI/DI Dual Spectrum CHIRP Transducer w/Temp f/HELIX 7/8 MEGA SI This accessory is compatible with the following Humminbird products: HELIX 7 CHIRP MEGA SI GPS G3 HELIX 7 CHIRP MEGA SI GPS G3N. HELIX 8 CHIRP MEGA SI GPS G3N Dual Spectrum CHIRP Frequencies: Full: 150-220 kHz Narrow: 180-240 kHz Wide: 140-200 kHz Dual Spectrum CHIRP Max Depth: 1200ft (365m) Side Imaging Frequencies - Max Range (side-to-side): 455kHz: 440-500 kHz - 800ft (146m) MEGA SI: 1075-1150 kHz - 250ft (76m) Down Imaging Frequencies - Max Depth: 455kHz: 440-500 kHz - 125ft (38m) MEGA DI: 1075-1150 kHz - 75ft (23m) Package Contents: Humminbird XNT-9-HW-MSI-150-T MEGA SI/DI Dual Spectrum CHIRP Transducer w/Temp f/HELIX 7/8 MEGA SI Humminbird 710297-1: MEGA SI/DI Dual Spectrum CHIRP Transducer w/Temp f/HELIX 7/8 MEGA SI XNT-9-HW-MSI-150-T