SKU: 26906029272

Garmin GCV™ 20 Ultra HD Scanning Sonar Black Box w/ GT34UHD-TM Ultra HD Transom Mount Transducer

Sale price$350.86 Regular price$389.84
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Description

Garmin GCV™ 20 Ultra HD Scanning Sonar Black Box w/ GT34UHD-TM Ultra HD Transom Mount TransducerGCV 20 Ultra HD Scanning Sonar Black Box with GT34UHD TM Ultra HD Transom Mount Transducer Add Ultra High Definition Scanning Sonar to Your Compatible Chartplotter The easy to install, networkable GCV 20 sonar black box allows you to redefine clarity and detail. Add any of the 3 GT34UHD transducer models to see stunningly clear Ultra High Definition ClearV and Ultra High Definition SideV scanning sonars with frequencies ranging from 0. 8 MHz (800 kHz)

GCV™ 20 Ultra HD Scanning Sonar Black Box with GT34UHD-TM Ultra HD Transom Mount Transducer

Add Ultra High-Definition Scanning Sonar to Your Compatible Chartplotter
The easy-to-install, networkable GCV 20 sonar black box allows you to redefine clarity and detail. Add any of the 3 GT34UHD transducer models to see stunningly clear Ultra High-Definition ClearVü and Ultra High-Definition SideVü scanning sonars — with frequencies ranging from 0.8 MHz (800 kHz) to 1.2 MHz (1,200 kHz) — to your compatible chartplotter. And you can share sonar images seamlessly across multiple networked chartplotters as well as networking Panoptix™ all-seeing sonar. It includes a max power output of 500 watts.

Ultra High-Definition ClearVü Scanning
This mode provides brilliant image clarity of structure and fish below your boat at greater depths than other high-frequency scanning sonars by putting more power on targets via a downward-facing element.

Ultra High-Definition SideVü Scanning
This mode delivers stunningly clear images of structure and fish off to the sides of your boat. This makes it easy to scout a fishing area quickly, because you can see everything the first time with such amazing clarity.

Specifications:

General:

  • Physical dimensions: 9.9"×7.6"×2.6" (251mm × 192mm × 66mm)
  • Weight: 1.86lbs (845g)
  • Water rating: IPX7
  • Garmin Marine Network™ ports: 3
  • Temperature range: From 5°F to 158°F (from -15°C to 70°C)

Sonar Features & Specifications:

  • Frequencies supported: 
  • Ultra High-Definition ClearVü: 0.8 MHz (800 kHz), CHIRP range: 760-880 kHz
  • Ultra High-Definition SideVü: 1.2 MHz (1,200 kHz), CHIRP range: 1,060-1,170 kHz
  • Transmit power: 500W rms
  • Maximum depth: 
  • 200' Ultra High-Definition ClearVü
  • 125' to each side Ultra High-Definition SideVü, 250' total

What's In The Box?:

  • GCV 20
  • Right-angle power cable
  • Right-angle ethernet cable
  • Mounting hardware
  • Documentation

GT34UHD-TM Ultra HD Transom Mount Transducer

Ultra High-Definition Sonar System Transom Mount Transducer
Add stunningly clear Ultra High-Definition ClearVü and Ultra High-Definition SideVü scanning sonar images to your compatible chartplotter via the GCV™ 20 sonar module. It includes 3 arrays, including a downward-facing element, with frequencies ranging from 0.8 MHz (800 kHz) to 1.2 MHz (1,200 kHz).

Ultra High-Definition ClearVü Scanning
This mode provides brilliant image clarity of structure and fish below your boat at greater depths than other high-frequency scanning sonars by putting more power on targets via a downward-facing element.

Ultra High-Definition SideVü Scanning
This mode delivers stunningly clear images of structure and fish off to the sides of your boat. This makes it easy to scout a fishing area quickly, because you can see everything the first time with such amazing clarity.

Specifications:

  • Frequency:
  • Ultra High-Definition ClearVü: 0.8 MHz (800 kHz), CHIRP range: 760-880 kHz
  • Ultra High-Definition SideVü: 1.2 MHz (1,200 kHz), CHIRP range: 1,060-1,170 kHz
  • Power: 500W
  • Beamwidth:
  • Ultra High-Defintion ClearVü: 0.74° x 46°
  • Ultra High-Defintion SideVü: 0.44° x 55°
  • Maximum depth
  • Ultra High-Defintion ClearVü: 200' down
  • Ultra High-Defintion SideVü: 125' sides, 250' total
  • Depth/Speed/Temperature: Depth and Temperature
  • Number of pins: 12-pin
  • Cable length: 20'
  • Supported deadrise/Transom angles: 0°-70° degree transom

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.


Manufacturer Part Numbers: 010-02055-00
Brochure Literature (PDF)
GRP:WRO
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 26906029272

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Mika Meeko
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★★★★★ 5
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Color: White, Size: Queen
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Reviewed in the United States on April 11, 2026
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r c.
West Palm Beach, US
★★★★★ 4
Say goodbye to neck pain
Color: White, Size: Queen
This is a very good product but it takes some time to adjust removable stuffing to accommodate individual sleeping patterns.
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Reviewed in the United States on April 15, 2026
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Dale Kim
Lowell, US
★★★★★ 5
Soft and comfortable cooling pillowcase that gets the job done!
Color: White, Size: Queen, Color: White, Size: Queen
I got this quilted bamboo pillow protector (queen size) because I wanted a cleaner, cooler layer between my pillow and pillowcase since I’m always hot. This has been a great solution for that. The fabric feels soft and smooth, and it doesn’t make that crinkly noise some cooling pillowcases do. I’m a warm sleeper and the “cooling” aspect feels more like breathable than icy-cold, but it definitely sleeps more comfortably than the thick polyester protectors I’ve used in the past. The light quilting adds a little cushion without making my pillow feel bulky or changing the loft much. I like the fact that if you use a memory foam fill pillow you can add or remove some of the filling to make the pillow as firm or mushy as you want. This is especially helpful for people that are side sleepers vs people that need more neck support. The zipper is a big plus. Just be careful when zipping it open and closed as these are usually the first point of failure for pillowcases in my experience. It closes fully and keeps the protector snug so it doesn’t shift around inside the pillowcase, and it gives me peace of mind for sweat / oils and everyday wear. I’ve washed it and it came out fine with no weird shrinking, and the stitching still looks clean. For the price, it feels like good value if you’re trying to extend the life of a nicer pillow while keeping the sleep surface soft and breathable. It’s one of those small upgrades you don’t think about much once it’s on, which is kind of the point. It just works and helps me sleep more comfortably.
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Codescriber
Phoenix, US
★★★★★ 5
Soft and cooling
Color: White, Size: King, Color: White, Size: King
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Anon-A-Mouse Reviewer
Grantham, US
★★★★★ 5
Soft, Cooling Pillowcase That Smooths Out Chunky Filling
Color: White, Size: King, Color: White, Size: King
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