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Product Information: Add depth to your chartplotter view with the GSD 20 series remote sounders. The GSD 21, a powerful analog sonar, along with the GSD 22, Garmin's first digital sonar, are robust units designed to operate with stand-alone chartplotters or integrate with the Garmin CANet and Marine Networks. The GSD 22 is a powerful remote sounder that plugs directly into the Garmin Marine Network for use with our network chartplotters - or into the new Garmin CanNet series chartplotters. Ultrascroll technology Keeps the display scrolling at live-action speeds, while the unit's digital design and up to 2 kW of transmit power (depending on transducer used) provide extra ordinary target definition and deep water performance. Transmit power and receiver gain automatically adjust to produce excellent shallow water performance as well. The GSD 22 is dual frequency (200/50 kHz) and works with everything from a standard 500 W transom mount transducer to heavy-duty 2 kW thru-hull or in-hull transducers. Reaches depths to 5,000 feet. Please Note: This product does not include a transducer. Garmin offers a complete selection of transducers to be purchased separately as accessories.
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