Raymarine 3M Extension For A Series Sounders
ELW-RAYE66074The standard cable length on Raymarine's transducers for A series and C/E series with built in sonar is 33-feet (10-meters). This extension cable will add an additional 9.8 feet (3 meters) to the transducer cable.
Note: For optimal performance, Raymarine does not recommend using more than two extension cables on any transducer cable run.