Garmin GSD 26 Brand New Includes One Year Warranty The Garmin GSD-26 features an improved digital sonar design with Spread Spectrum Sonar Technology for superioir target definition and also performs in deep-water. The system is dual frequency 25/210 kHz capable and offers selectable transmit power Selectable, from 300 W to 3 kW for pin-point accuracy at depths of up to 10,000 ft 3,000 m . 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. GSD-26 Features Digital Remote Sounder for CANet™ Part Number 010-00958-00 Powerful Digital Sonar Designed to Operate w/ Stand-Alone Chartplotters Integrates w/ Garmin CANet™ Marine Networks Fast Ultrascroll Displays Live-Action Speeds Selectable, from 300 W to 3 kW Power Depending on Transducer Used Extraordinary Target Definition Deep Water Performance Direct Connect to Garmin Marine Network Dual Frequency 210 / 25 kHz Works w/ Everything from a Standard 500W Transom Mount Transducer to Heavy-Duty 2kW Thru-Hull or In-Hull Transducers