Frequency NONE Cable Length (Feet) 30 Mounting Style Transom Beam Width NONE Speed Included NONE echo™ Series Speed Sensor010-10279-04The speed sensor that Garmin had originally remended for use with the echo 200 300c 500c and 550c was a 7-pinspeed sensor (010-10279-02) that required the use of a 4-pin to 7-pin adapter cable (010-11616-00). In an effort to helpstreamline the installation of the speed sensor for the echo series Garmin will soon be offering a new […]