Airmar B175HW Bronze 20 Degree Thru-Hull 1kW f/Garmin w/8-Pin Connector [B175C-20-HW-8G]B175HW Bronze 20 Degree Thru Hull 1kW for Garmin with 8 Pin Connector Get more coverage under your boat with Airmars unique wide beam, high frequency, Chirp ready B175HW. The high band operates across a frequency range of 150 to 250 kHz and has a fixed 25 beam for all frequencies. The high frequency band delivers superior shallow water performance, bottom detail, and fish target separation. The constantly wide beam provides twice the coverage for