Airmar
Airmar B75C-12-M 12d Tilt Medium CHIRP with Garmin 8-Pin Mix-N-Match CableModel: B75C-12-M-8GDepth & fast-response water-temperature sensorMedium—CHIRPS from 80 kHz to 130 kHz, 24° to 16° beamwidthHull Type: Fiberglass or wood50 kHz of total bandwidth...