Airmar
Airmar SS175C-20-M 20 Deg Tilt Medium CHIRP with Navico 9-PinModel: SS175C-20-M-MMMedium—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...