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This item has been discontinued by the manufacturer.
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Tutorial Videos |
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| We have not yet produced any videos for the GSD 20. If you would like to suggest a video for this item, we'd love to hear your suggestion! Please submit your suggestion via our feedback form. We review all suggestions and will do our best to provide a response in a timely manner. |
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Questions and Answers (Q&As) |
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Product Information |
| Manufacturer: |
Garmin |
Category: |
Accessories |
Type: |
Marine Network |
| Model: |
010-10330-00 |
SKU: |
GSD20 |
UPC: |
753759035624 |
| Announced: |
January 8, 2002 |
First Shipped: |
August 5, 2002 |
Weight: |
4.500 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 |
The GSD 20 is a remote, black-box sounder that transmits 500 watts at 50/200kHz. It's designed specifically for use with the GPSMAP 3006C, GPSMAP 3010C, GPSMAP 2006, GPSMAP 2006C, GPSMAP 2010, GPSMAP 2010C, GPSMAP 182CE, GPSMAP 182CI, GPSMAP 182E, GPSMAP 182I and GPSMAP 232 units to provide SONAR capabilities to these units.
The sounder module sends data serially in a GARMIN proprietary format to up to two units on board. When viewed on GARMIN chartplotters, you'll see full-featured sounder displays in either split- or full-screen presentations.
Features include auto-ranging, 2X and 4X auto and manual zoom, optional fish symbols, and shallow and See-Thru technology for enhanced fish-finding capabilities.
Note: The GSD 20 does not include a transducer. The compatible transducers are listed below as accessories.
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Features and Tips |
Here is a listing we have put together of some of the common GSD 20 features,
along with a few user tips that you may find of help for this particular item. |
• Full control and viewing of sounder information when interfaced with mulitple Garmin chartplotters
• Remote installation accomodates large boats
• Transmit power: 4,000 watts peak-to-peak; 500 watts RMS
• Transmitt frequency: 500/200 Khz for shallow or deep water performance
• Dimensions: 6.75 in L x 4.75 in W x 2.00 in H
• Waterproof to IPX-7 standards (immersibale in one meter of water for 30 minutes)
• Numerous transducer options including transom, plastic or bronze thru-hull
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Specifications |
There are no specifications currently available for this item. |
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| Customer Comments |
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GPS City is one of the BEST if not THE BEST. GPS City is the go to GPS Merchent IMHO!
Algonquin Traveler, Jun 15/13
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Amazing site, folks
Debra R. PA, Jun 14/13
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GPS City is awesome ... always get my Ram-mount stuff here
MKorn, Jun 14/13
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gpscity is always helpful, knowlegable and lighting fast with shipping
CJ, Jun 13/13
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GPSCity -- great service, fast delivery, excellent prices!
NYC10065, Jun 10/13
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excellent, responded to my query by email with just the right information thanks
David N. CA, Jun 10/13
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