Garmin GSD 24 Remote Sounder - 010-00957-00Get 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, depending on the transducer) for pin point accuracy at depths of up to 5,000 ft (1,500 m). So whether youre out sport fishing or just keeping an eye on hazardous