The Garmin GT12M-THF is a flush-mount bronze thru-hull transducer with 350 W midband CHIRP traditional sonar for midsize fishing and cruising boats. This is the 12 degree tilt version, for hull deadrise angles from 8 to 15 degrees, with an 8-pin connector and water temperature sensing.
- Frequency: Medium band CHIRP 85 to 165 kHz
- Power: 350 W
- Beamwidth: 24° to 16°
- Maximum depth: 800 ft saltwater, 1200 ft freshwater
- Cable length: 50 ft
- Connector: 8-pin
- Tilt: 12°








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