Garmin Accessory, GT34UHD-TM, xdcr, 12pin, Ultra High Def CV/SV, Transom, 010-12776-00

Plug directly into your 8600xsv or ECHOMAP Ultra series chartplotter or use the GCV 20 sonar module to display on other compatible chartplotters. It includes 3 arrays including a downward-facing element with frequencies ranging from 0.8 MHz (800 kHz) to 1.2 MHz (1200 kHz).