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This item has been discontinued by the manufacturer.
Accessories may still
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| Product Information |
| Manufacturer: |
Garmin |
Category: |
Accessories |
Type: |
Marine Network |
| Model: |
010-00502-00 |
SKU: |
GSD21 |
UPC: |
753759052232 |
| Announced: |
April 5, 2006 |
First Shipped: |
April 19, 2006 |
Weight: |
3.725 lbs. |
| Family Series For This Item |
Garmin GSD 20 |
Garmin GSD 21 | 
Garmin GSD 22 | | | |
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| Garmin GSD 21 Description |
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 21 is a black-box sounder that provides fast Ultrascroll™ displays and 500-watt (RMS) sounder capability to 2000 series and 292/392/492 series chartplotters featuring the Garmin CANet™ bus. The GSD 21 will work with a serial connection to other Garmin plotters without the CANet connection, but will not offer Ultrascroll™ capability. The unit’s all-new, high-dynamic range analog sonar receiver provides exceptional performance in water as shallow as one foot on down to depths of 1,500 feet. It connects to a dual frequency transducer (50/200 kHz) for deep-water performance or a single frequency, dual beam width transducer (narrow/wide) for operation in shallow freshwater as well as deeper water. Provides 500 W transmit power with dual frequency transducer or 400 W with dual beam width transducer.
Note: The GSD 21 does not include a transducer. The compatible transducers are listed below as accessories.
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| Customer Comments |
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Great! Easy to navigate. Lots of shipping options. Worked quickly even with my dial-up connection
Kristian T. MI, Feb 13/12
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VERY GOOD! JMA
Joseph A. CT, Feb 13/12
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bon prix, bon service, bon délai de livraison, excellent produits, un plaisir de faire affaire avec votre entreprise
Gaston M. QC, Feb 13/12
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Excellent, this time we did it ourselves not through Jordan . He has been great to deal with. we have told several friends about your company so hope you get more bussiness from Australia
Alan V. N.S.W`, Feb 10/12
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Everytime I order something from gpscity.com its arrives the next day, well boxed. GPS City has the best prices, the best inventory, and I ust say I quite enjoy their reviews! Best place to shop for gps stuff
TC, Feb 9/12
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Love the store and your customer service.. you have always been one of the best places to get what i need!!
lourdestuesta, Feb 9/12
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