Furuno PM265LH Bronze Pocket Mount CHIRP Transducer - 12-Pin [PM265LH-12P]PM265LH Bronze Pocket Mount CHIRP Transducer 12 Pin Bronze, Pocket Mount CHIRP Transducer with Temp, with 12 Pin Connector, Low Freq: 42 65 kHz, High Freq: 130 210 kHz. The PM265LH is a bronze CHIRP transducer with Temp for use with Furuno's CHIRP broadband Fish Finders. Its flat faced design is ideal for pocket keel mount installations. Traditional marine Fish Finders operate at discrete frequencies such as 50 kHz and 200 kHz, use relatively short