Raymarine CP570 Professional CHIRP Sonar Module [E70258]CP570 Professional CHIRP Sonar Module High Performance Sonar Module For Professional & Tournament Fishing CHIRP Sonar Module Engineered for serious anglers, the CP570 sonar module bring best in class target separation and high resolution CHIRP sonar imagery to Raymarine multifunction displays. Using a wide spectrum of frequencies and greater sensitivity the CP570's advanced CHIRP transceiver can see through dense schools of baitfish, identify