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This item has been discontinued by the manufacturer.
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Tutorial Videos |
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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. |
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Customer Reviews |
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Family Series |
Garmin GSD 20 |
Garmin GSD 21 | 
Garmin GSD 22 | | | |
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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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Specifications |
There are no specifications currently available for this item. |
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| Customer Comments |
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please, keep your sight just the way it is...no need for improvement. i had the easiest experience shopping on your sight, and your prices are the lowest i have seen, this is what keeps shoppers coming back, and your inventory is tops too
jim m. WI, May 21/13
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Excellent delivery times for all that I have ordered from you. Keep up the good work. Pass to the boys outback
S, May 17/13
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excellent phone support and informative web site
ken w. UT, May 14/13
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You guys had great shipping and I liked being able to read the reviews of your service before I ordered. It put my mind at ease ordering from a company I had not dealt with before. Thanks!
Captain NoBeard, May 13/13
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Great Prices !!! thank you !
Maher Q. MN, May 10/13
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Your company had all individual parts needed that other did not at a great price! Thank you..
Brian J. NH, May 10/13
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