Airmar
Airmar SS175C-0-M 0d Tilt Medium CHIRPModel: 41-830-2-01Medium—CHIRPS from 85 kHz to 135 kHz, 16° to 11° beamwidthAvailable in 0°, 12°, or 20° tilted versions50 kHz of total bandwidth from one transducerCovers popular fishing frequencies of 88 and 107...