Garmin B744VL Long Stem Bronze Thru-Hull Depth/Temp/Speed w/FB - 8 Pin. This transducer has an operating frequency of 50 or 200 kHz and mounts on a 0-28 deadrise angle. Specifications for Garmin B744VL Long Stem Bronze Thru-Hull Depth/Temp/Speed w/FB: Manufacturer: Garmin Color: Black Cable Length: 39 ft Frequency Band: 200 kHz Features of Garmin B744VL Long Stem Bronze Thru-Hull Depth/Temp/Speed w/FB Chirp: No Cable Length (Feet): 39' Fairing Block Included: Yes Frequency: 50/200 Mounting Style: Thru-Hull Pins: 8 Speed Included: Yes Temperature: Yes Imagining: Standard Power: 600w Supported Deadrise/Transom Angles: 0 - 24 Package Contents: Garmin B744VL Long Stem Bronze Thru-Hull Depth/Temp/Speed w/FB Garmin 010-10193-22: B744VL Long Stem Bronze Thru-Hull Depth/Temp/Speed w/FB - 8 Pin