Raymarine Bronze CHIRP 0 Thru-Hull Transducer B175M. B175M Bronze CHIRP 0 Thru-Hull Transducer Specifications for Raymarine B175M Bronze CHIRP 0 Thru-Hull Transducer: Manufacturer: Raymarine Color: Bronze Hull Type: Thru-Hull Features of Raymarine B175M Bronze CHIRP 0 Thru-Hull Transducer Depth/Temperature Thru-Hull Hull deadrise = 0 to 7 CP450C Plug on Cable Urethane Frequency: M=80-130 kHz Power: 1KW Medium: 24-16 degree beamwidth Hull type: Fiberglass and Wood Note: Requires A80328 Single B75/B175 Operation Cable Package Contents: Raymarine B175M Bronze CHIRP 0 Thru-Hull Transducer Raymarine A80043: Bronze CHIRP 0 Thru-Hull Transducer B175M