Garmin GSD 24 Digital Black Box Network Sounder [010-00957-00] Electrical | Meters & Monitoring Gear Ratio: 450:1

Gear Ratio: 450:1

Quick Change Backing Plate Size: 5" (127mm)

Shank Length - 24" (610mm)

Shaft Diameter: 2"

Cut-out Dimensions - 8

Garmin GSD 24 Digital Black Box Network Sounder [010-00957-00] Electrical | Meters & Monitoring Gear Ratio: 450:1GSD 24 Digital Black Box Network Sounder The GSD 24 features a vastly improved digital sonar design for superior target definition and deep water performance. Get the Whole Picture With up to 2,000 Watts of transmit power and a high dynamic range receiver, the GSD 24 brings high definition imaging to your compatible Garmin chartplotter. The system is dual frequency (50 200 kHz) capable and offers selectable transmit power (600 W, 1 kW and 2 kW,