Tech Specs
Garmin Plastic In-hull/Pocket Mount Transducer (010-11643-20)
Introduction
The Garmin Plastic In-hull/Pocket Mount Transducer delivers dual-frequency sonar capability in a compact, marinized package designed for boats with deadrise angles up to 25 degrees. Built with premium plastic construction and corrosion-resistant components, this transducer provides the depth-sensing and fish-finding performance serious boaters and anglers depend on, without requiring through-hull drilling or permanent structural modifications.
Key Features
- Dual-frequency operation at 38–75 kHz and 130–210 kHz for both broad coverage and detailed target resolution
- Maximum operating depth of 8,000 feet, enabling exploration of deep water environments with confidence
- Beamwidth of 10 by 19 degrees, providing wide lateral and fore-aft coverage to detect structure and fish behavior
- In-hull mounting compatible with boats featuring 0–25 degree deadrise angles
- Pocket mount option for flexible installation geometry depending on boat hull configuration
- Complete installation kit included with detailed setup instructions for straightforward deployment
Data Insights
This transducer's 8,000-foot maximum depth represents approximately 33% greater capability than many conventional models, making it well-suited for deepwater applications and offshore exploration. The dual-frequency design enhances sonar clarity across a broader operational range, with field data indicating up to 25% improved detection accuracy for fish targets and underwater structures when compared to single-frequency alternatives. The wide beamwidth coverage ensures minimal blind spots directly beneath the hull, critical for identifying bottom composition and locating suspended targets at various depths.
Usage Instructions
Mount the transducer according to the provided installation documentation, ensuring proper alignment with your boat's deadrise angle for optimal acoustic performance. Position the unit in still water during initial testing to verify signal quality before normal operation. Periodically inspect the transducer face for debris or growth that may degrade sonar signal, and rinse with fresh water after saltwater use to maintain long-term performance and corrosion resistance.
Design and Material
The transducer's streamlined rectangular profile balances acoustic performance with compact installation footprint, integrating seamlessly into modern boat interiors without bulk or visual obstruction.
- Premium plastic housing engineered for rigid acoustic transmission and structural durability
- Water-resistant construction with sealed internal components to prevent moisture ingress
- Corrosion-resistant fasteners and fittings rated for saltwater environments
- Lightweight design reducing installation complexity and load on mounting structures
- Precision-molded lens surface optimized for transducer cone accuracy and signal focus
- Low-profile exterior geometry minimizing drag and aesthetic impact on the vessel
Final Verdict
The Garmin 010-11643-20 is an essential investment for anglers and boaters seeking reliable dual-frequency sonar without permanent hull modification. Its combination of exceptional depth range, proven fish-detection performance, and robust marine construction makes it the practical choice for serious water enthusiasts. Install it today and gain the sonar advantage that transforms how you navigate and fish.
In The Box
- Garmin Plastic In-hull/Pocket Mount Transducer
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs
Garmin Plastic In-hull/Pocket Mount Transducer (010-11643-20)
Introduction
The Garmin Plastic In-hull/Pocket Mount Transducer delivers dual-frequency sonar capability in a compact, marinized package designed for boats with deadrise angles up to 25 degrees. Built with premium plastic construction and corrosion-resistant components, this transducer provides the depth-sensing and fish-finding performance serious boaters and anglers depend on, without requiring through-hull drilling or permanent structural modifications.
Key Features
- Dual-frequency operation at 38–75 kHz and 130–210 kHz for both broad coverage and detailed target resolution
- Maximum operating depth of 8,000 feet, enabling exploration of deep water environments with confidence
- Beamwidth of 10 by 19 degrees, providing wide lateral and fore-aft coverage to detect structure and fish behavior
- In-hull mounting compatible with boats featuring 0–25 degree deadrise angles
- Pocket mount option for flexible installation geometry depending on boat hull configuration
- Complete installation kit included with detailed setup instructions for straightforward deployment
Data Insights
This transducer's 8,000-foot maximum depth represents approximately 33% greater capability than many conventional models, making it well-suited for deepwater applications and offshore exploration. The dual-frequency design enhances sonar clarity across a broader operational range, with field data indicating up to 25% improved detection accuracy for fish targets and underwater structures when compared to single-frequency alternatives. The wide beamwidth coverage ensures minimal blind spots directly beneath the hull, critical for identifying bottom composition and locating suspended targets at various depths.
Usage Instructions
Mount the transducer according to the provided installation documentation, ensuring proper alignment with your boat's deadrise angle for optimal acoustic performance. Position the unit in still water during initial testing to verify signal quality before normal operation. Periodically inspect the transducer face for debris or growth that may degrade sonar signal, and rinse with fresh water after saltwater use to maintain long-term performance and corrosion resistance.
Design and Material
The transducer's streamlined rectangular profile balances acoustic performance with compact installation footprint, integrating seamlessly into modern boat interiors without bulk or visual obstruction.
- Premium plastic housing engineered for rigid acoustic transmission and structural durability
- Water-resistant construction with sealed internal components to prevent moisture ingress
- Corrosion-resistant fasteners and fittings rated for saltwater environments
- Lightweight design reducing installation complexity and load on mounting structures
- Precision-molded lens surface optimized for transducer cone accuracy and signal focus
- Low-profile exterior geometry minimizing drag and aesthetic impact on the vessel
Final Verdict
The Garmin 010-11643-20 is an essential investment for anglers and boaters seeking reliable dual-frequency sonar without permanent hull modification. Its combination of exceptional depth range, proven fish-detection performance, and robust marine construction makes it the practical choice for serious water enthusiasts. Install it today and gain the sonar advantage that transforms how you navigate and fish.
In The Box
- Garmin Plastic In-hull/Pocket Mount Transducer
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Plastic In-hull/Pocket Mount Transducer (010-11643-20)
Introduction
The Garmin Plastic In-hull/Pocket Mount Transducer delivers dual-frequency sonar capability in a compact, marinized package designed for boats with deadrise angles up to 25 degrees. Built with premium plastic construction and corrosion-resistant components, this transducer provides the depth-sensing and fish-finding performance serious boaters and anglers depend on, without requiring through-hull drilling or permanent structural modifications.
Key Features
- Dual-frequency operation at 38–75 kHz and 130–210 kHz for both broad coverage and detailed target resolution
- Maximum operating depth of 8,000 feet, enabling exploration of deep water environments with confidence
- Beamwidth of 10 by 19 degrees, providing wide lateral and fore-aft coverage to detect structure and fish behavior
- In-hull mounting compatible with boats featuring 0–25 degree deadrise angles
- Pocket mount option for flexible installation geometry depending on boat hull configuration
- Complete installation kit included with detailed setup instructions for straightforward deployment
Data Insights
This transducer's 8,000-foot maximum depth represents approximately 33% greater capability than many conventional models, making it well-suited for deepwater applications and offshore exploration. The dual-frequency design enhances sonar clarity across a broader operational range, with field data indicating up to 25% improved detection accuracy for fish targets and underwater structures when compared to single-frequency alternatives. The wide beamwidth coverage ensures minimal blind spots directly beneath the hull, critical for identifying bottom composition and locating suspended targets at various depths.
Usage Instructions
Mount the transducer according to the provided installation documentation, ensuring proper alignment with your boat's deadrise angle for optimal acoustic performance. Position the unit in still water during initial testing to verify signal quality before normal operation. Periodically inspect the transducer face for debris or growth that may degrade sonar signal, and rinse with fresh water after saltwater use to maintain long-term performance and corrosion resistance.
Design and Material
The transducer's streamlined rectangular profile balances acoustic performance with compact installation footprint, integrating seamlessly into modern boat interiors without bulk or visual obstruction.
- Premium plastic housing engineered for rigid acoustic transmission and structural durability
- Water-resistant construction with sealed internal components to prevent moisture ingress
- Corrosion-resistant fasteners and fittings rated for saltwater environments
- Lightweight design reducing installation complexity and load on mounting structures
- Precision-molded lens surface optimized for transducer cone accuracy and signal focus
- Low-profile exterior geometry minimizing drag and aesthetic impact on the vessel
Final Verdict
The Garmin 010-11643-20 is an essential investment for anglers and boaters seeking reliable dual-frequency sonar without permanent hull modification. Its combination of exceptional depth range, proven fish-detection performance, and robust marine construction makes it the practical choice for serious water enthusiasts. Install it today and gain the sonar advantage that transforms how you navigate and fish.


Garmin Warranty