GARMIN GCV20 Sonar Black Box with Transducer

The GARMIN GCV20 Sonar Black Box with transducer is used to provide advanced sonar viewing to your compatible Garmin device, allowing you to see the bottom, structure, and fish in high detail directly on the screen.

The GCV20 functions as an external sonar module (black box) that extends your Garmin chartplotter with ClearVü and SideVü scanning, giving you a much better overview both below and beside the boat.

It's an effective upgrade to your existing setup if you want more precise and detailed sonar images.

⚡ Advantages

• ClearVü and SideVü provide detailed views of the bottom and structure
• Displays fish and objects with high precision
• Side scanning provides an overview on both sides of the boat
• Upgrades your existing Garmin plotter
• Stable and reliable Garmin quality
• Suitable for both fishing and navigation

📊 Specifications

• Type: Sonar Black Box (external sonar module)
• Functions: ClearVü + SideVü scanning
• Connection: Garmin Marine Network
• Voltage: 10–32 V
• Compatibility: Garmin chartplotters with network connectivity
• Application: Fishing and advanced sonar

📦 Package contents

• GCV20 Sonar Black Box
• Transducer
• Power cable
• Network cable
• Mounting hardware

💡 Tip from SejlStrøm:
The GCV20 is an excellent solution if your current Garmin device lacks SideVü and ClearVü. Ensure compatibility with your plotter – this will provide a significant upgrade in image quality. If you have any doubts, we are happy to assist you.