Garmin Xdcr GT30-TH Thru Hull Scanning New Condition. 12 pin connector. Combination Port/Stbd scanning for boats with a deadrise less than 5 deg. Features of Garmin Xdcr GT30-TH Thru Hull Scanning: Frequency: Cleave/Sieve CHIRP 455 kHz Power: Cleave/Sieve 500 W Beam width: Cleave Included Accessories: GT30-TH Transducer Documentation Package Contents: Garmin Xdcr GT30-TH Thru Hull Scanning Garmin 010-01961-10: Xdcr GT30-TH Thru Hull Scanning New Condition