Garmin Xdcr, GT20-TM DownVu, 4-pin, Transom - GA-0100196000Garmin Xdcr, GT20-TM DownVu, 4-pin, Transom - GA-0100196000
GT20-TM transducer, MFG# 010-01960-00, Transom Mount. DownVu 500 Watt CHIRP 435-475 kHz and CHIRP 800-840 kHz. Traditional 500 W (77/200 kHz) Transducer with Temp. 4-pin connector.