Navico xSonic B150M 20 TH 9-Pin Connector w/10M Cable [000-13922-001]xSonic B150M 20 TH 9 Pin Connector with 10M Cable As CHIRP continues to redefine recreational fishing, AIRMAR has expanded the lineup of broadband transducers to satisfy the growing demand for this game changing technology. The B150M economical CHIRP transducers designed for offshore fishing and freshwater anglers. Operating at a frequency range of 95 155 kHz, these transducers reveal fish in shallow, murky waters at medium depths (up to 2,500 feet*)