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includes: GSD 21, marine CANet/power cable, power/datacable, cable grommet, CANet cable, CANet terminators, CANet hardware and installation instructions.
SKU#:GA00502   MAN#:010-00502-00   ID#:911
Our Price: $249.95
Availability: In Stock Add to Cart
 
Garmin GSD 21 500 Watt remote sounder option.
The GSD 21 black box option is the way to go for adding sonar capabilities to any GPSMAP 276C, 172/172C, 182/182C, 192C, 292/392/492, 2006/2010 series, 2206/2210, and the 3000/3200 series. The GSD 21 add-on will produce 500 watts at 50/200khz serving for excellent results in shallow and deep water applications up to 1500ft. With Garmins See-Thru® technology, you will then be able to seperate fish from underwater structures and even water temperature changes.
The GSD-21 comes with a variety of display options, which include: 3 fish symbol sizes, adjustment bar,auto ranging and even 2x, 4x auto and manual zooming. Coming equipped with Garmin's proprietary Depth Control Gain (DCG®) allow's the GSD-21 to automatically adjust it's sensitivity to the current depth. System alarms include: 3 size fish, low battery, shallow and deep water.
Easy installation, waterproof to ipx-7 standards, variety of transducer options and comes standard with a 30 ft cable and mounting kit. Transducer sold seperately.

Garmin Transom Mount Transducer for GSD20, GSD21 and GSD22 with temp GAX10272

Garmin Transom Mount Transducer for GSD20, GSD21 and GSD22 with temp
The Garmin Transom Mount Dual Frequency Transducer provides accurate depth and temp readings to your Garmin GSD20, GSD21, GSD22 or Garmin Fishfinder.
(Depth/Temp)

$74.95

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Garmin Dual Frequency Transom Mount Transducer with Speed and Temp GAX10192

Garmin Dual Frequency Transom Mount Transducer with Speed and Temp
The Garmin Transom Mount Transducer is a 600w transducer and operates at 50 and 200Khz to provide accurate depth readings. Also has built in speed and temperature sensors.
(Depth/Speed/Temp)

$139.95

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Garmin Bronze Thru-Hull Transducer for GSD-20/21/22 with Temp GAX10183

Garmin Bronze Thru-Hull Transducer for GSD-20/21/22 with Temp
The Garmin Bronze Thruhull Transducer for GSD20, GSD21 and GSD22 with fairing block operates at 50/200KHZ and provides accurate Depth, Speed and Temperature readings.
(Depth/Speed/Temp)

$249.95

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Garmin B260 1kW Bronze Thru-Hull Transducer with Fairing Block GAX10640

Garmin B260 1kW Bronze Thru-Hull Transducer with Fairing Block
The Garmin B260 1kW Bronze ThruHull Transducer with high speed fairing block provides the best fishfinding performance thanks to broadband technology. 50/200Khz Dual Frequency.
(Depth/Temp)

$919.95

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Garmin Bronze 1KW Thru-Hull Transducer with High Speed Fairing Block GAX10443

Garmin Bronze 1KW Thru-Hull Transducer with High Speed Fairing Block
Garmin Bronze 1KW Thru-Hull Transducer with Depth and Temp. Includes high speed fairing block. The most popular choice for commercial fishermen.
(Depth/Temp)

$609.95

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Garmin M260 1KW In-Hull Transducer w/ID and Mounting Tank GAX10641

Garmin M260 1KW In-Hull Transducer w/ID and Mounting Tank
Garmin M260 1kW Transducer with In-Hull Mounting Kit. Perfect for high speed fishing boats or for anyone who does not want to cut a hole in their boat's hull.

$929.95

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Garmin B117 Low Profile Bronze Thru-hull Transducer with Temp GAX101821

Garmin B117 Low Profile Bronze Thru-hull Transducer with Temp
The Garmin B117 600W Bronze Low Profile Thru-Hull Transducer works on boats with up to 7 degree deadrise. Includes temp and does not need Fairing Block. Garmin part# 010-10182-01.
(Depth/Temp)

$179.95

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Garmin B164 12 Bronze 1kw Low Profile Thru-Hull Transducer with Temp GAX110101

Garmin B164 12 Bronze 1kw Low Profile Thru-Hull Transducer with Temp
The Garmin B164 12 1kw Bronze Low Profile Thru-Hull Transducer with 12 degree tilted element is perfect for trailered boats with deadrise between 8 and 16 degrees. Includes temperature and does not need Fairing Block.
(Depth/Temp)

$699.95

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Garmin B164 20 Bronze 1kw Low Profile Thru-Hull Transducer with Temp GAX11010

Garmin B164 20 Bronze 1kw Low Profile Thru-Hull Transducer with Temp
The Garmin B164 1kw Bronze Low Profile Thru-Hull Transducer with 20 degree tilted element is perfect for trailered boats with deadrise between 16 and 24 degrees. Includes temperature and does not need Fairing Block.
(Depth/Temp)

$699.95

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Garmin B60 12 Bronze Low Profile Thru-hull Transducer with Temp GAX109821

Garmin B60 12 Bronze Low Profile Thru-hull Transducer with Temp
Garmin 010-10982-01, B60 12 Bronze Low Profile Thru-Hull Transducer with 12 degree tilted element and temp is designed to work on boats with deadrise between 8 and 16 degrees. Does not need Fairing Block.
(Depth/Temp)

$229.95

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Garmin B60 20 Low Profile Bronze Thru-hull Transducer with Temp GAX10982

Garmin B60 20 Low Profile Bronze Thru-hull Transducer with Temp
Garmin 010-10982-00, B60-20 Bronze Low Profile Thru-Hull Transducer with 20 degree tilted element and temp. Designed for boats with deadrise between 16-24 degrees. Does not need Fairing Block.
(Depth/Temp)

$229.95

Add Garmin B60 20 Low Profile Bronze Thru-hull Transducer with Temp to Cart