Garmin B75M Bronze 0 Thru-Hull Transducer - 600W 8-Pin. This broadband transducer is designed to allow both traditional and Spread Spectrum scanning when used with a compatible sonar like the GSD 26. It Specifications for Garmin B75M Bronze 0 Thru-Hull Transducer: Manufacturer: Garmin Color: Bronze Frequency Band: 130 kHz Cable Length: 39 ft Power: 600 watts Hull Type: Thru-Hull Features of Garmin B75M Bronze 0 Thru-Hull Transducer Cable Length (Feet): 39' Fairing Block Included: No Frequency: CHIRP (80-130 kHz) Chirp: Medium Mounting Style: Thru-Hull Pins: 8 Speed Included: No Temperature: Yes Imagining: Standard Power: 600w Supported Deadrise/Transom Angles: 0 Package Contents: Garmin B75M Bronze 0 Thru-Hull Transducer Garmin 010-11636-20: B75M Bronze 0 Thru-Hull Transducer - 600W 8-Pin