Garmin B175L, 1KW, CHIRP, Thru Hull, 0 deg, 40 60kHz, Bronze, 8 pin

Brand: Garmin
Part Number: 010-11938-20
$1,499.99
CHIRP-Fishfinders-transmit-across-a-wide-frequency-band-instead-of-using-a-single-frequency.-This-is-also-known-as-“Frequency-Modulation”-or-“Spread-Spectrum”-Transmissions.-These-waveforms-are-typically-of-long-duration-and-for-example-may-start-at-42-kHz-and-end-at-65-kHz.-Energy-transmitted-into-the-water-can-be-10-to-50-times-greater-than-a-traditional-fishfinder.-By-storing-the-shape-of-the-transmitted-waveform-in-memory-and-comparing-it-to-the-received-echoes-using-pattern-matching-techniques-(also-called-pulse-compression),-it-is-possible-to-find-targets-within-the-noise-and-precisely-determine-their-range-with-astounding-accuracy.