710274-1 XNT 9 HW T Transom Transducer Fit Humminbird Helix 5/7/8/9/10/12 Chirp
【 Dual Spectrum CHIRP Frequencies】: Full: 150-220 kHz; Narrow: 180-240 kHz; Wide: 140-200 kHz; Dual Spectrum CHIRP Max Depth: 1200ft (365m). (NOTE: This transducer does not support Side Imaging or Down Imaging, only 2D sonar.).