Raymarine CP470 Clear Pulse 470 CHIRPThe CP470 sonar module delivers best in class fish finding and high resolution CHIRP sonar imagery to Raymarine chartplotter displays. Using a wide spectrum of frequencies and greater sensitivity, the CP470's advanced CHIRP transceiver can see through dense schools of baitfish, identify thermoclines, and simultaneously target desired game fish. Designed for offshore use and rough conditions, the CP470 intelligently filters out unwanted noise while