Click to enlargeGarmin GCV™ 20 Ultra HD Scanning Sonar Black Box w/GT34UHD-TM Ultra HD Transom Mount Transducer
Manufacturer: GarminPart #: 010-02055-00SKU: 70801
- 500W
- 800 kHz
- 5°
- Transom Mount
Item #: 70801
Category: Sounder/Sonar Modules
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Description
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
Specifications
| Brand | Garmin |
|---|---|
| Part Number | 010-02055-00 |
| EverTide SKU | 70801 |
| UPC | 753759206307 |
| Power | 500 W |
| Frequency | 800 kHz |
| Mount | Transom Mount |
| Beam Angle | 5° |
Specifications are provided by the manufacturer. Confirm fitment for your application before ordering, or contact us and we'll help.
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Returns & warranty
Returns are accepted within 30 dayson items that are unused and in their original packaging. Some items may be subject to a manufacturer restocking fee. Special-order items may not be eligible — if you're unsure, ask us before ordering.
Garmin productscarry the manufacturer's standard warranty. For a warranty claim or a return authorization, see our full returns policy or contact us.
Marine Navigation & Instruments — frequently asked
- What’s the difference between a chartplotter and a fishfinder?
- A chartplotter shows your GPS position on electronic charts for navigation. A fishfinder uses sonar to show what’s below the boat — depth, bottom structure, and fish. Many modern units combine both, and networked systems can share data across displays.
- Do I really need a VHF radio?
- For safety, yes. A VHF radio is the primary way to reach other vessels and the Coast Guard, and a DSC-equipped VHF connected to GPS can transmit your position in an emergency. It’s more reliable than a cell phone offshore and is the recognized standard for marine distress calls.
- What is NMEA 2000 and do I need it?
- NMEA 2000 is a standard network that lets marine electronics — chartplotter, sonar, autopilot, sensors, engine data — share information over a single backbone. It’s not required for a simple setup, but it makes multi-device systems far easier to expand and integrate.
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