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This item has been discontinued by the manufacturer.
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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. |
Garmin GSD 21 Family Series |
Garmin GSD 20 |
Garmin GSD 21 | 
Garmin GSD 22 | | | |
|
Manufacturer 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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| Most Recent Customer Reviews |
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| Customer Comments |
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I enjoy it thoroughly every time, dealing with GPS City has been the best on-line shopping experience ever, it just does not get any better
Cornelius K. AB, May 21/12
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Excellent product and shipping time. Won't hesitate to deal through you again
chuckomum, May 18/12
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Very happy with the delivery process. I got what I wanted for a good price, and quickly
Ravin, May 14/12
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My fourth purchase from gpscity. Previous 3 went great and I expect this one will as well. I do feel rather sheepish though. This last week I've been combing the net for a golf GPS. For some reason this evening the lights went on - gpscity. Thank goodness I remembered you folks. I'll never know what took so long though. Anyway, I got to you and I feel much better now. :) Don
Donald L. ON, May 11/12
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I loved all shopping at GPS City, very prompt and professional service. We love the product and it got us from Ft. McMurray, Alberta to Pasadena, NL without any problems. The drive accross Canada was a stress free one because of this product and the staff at GPS City's help
Jennifer, May 6/12
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Good information on the units. I am upgrading from my original Garmin 301. 8 years, it was time! I think this is my 5th GPS from your company, good prices, fast delivery no complaints!
James L. ON, May 3/12
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