Tech Specs
Garmin ECHOMAP 73cv UHD with U.S. LakeVü g3 and GT24HD-TM Transducer
Introduction
The Garmin ECHOMAP 73cv UHD is a 7-inch chartplotter and fishfinder designed to deliver precise underwater imaging and navigation for serious anglers. Paired with the included GT24HD-TM ultra high-definition transducer and preloaded U.S. LakeVü g3 maps, this marine GPS unit combines sonar clarity with comprehensive lake data to help you locate structure, fish, and your best fishing spots efficiently. The touchscreen display remains readable in direct sunlight, and the integrated NMEA compatibility allows seamless connection to other marine electronics for a fully networked onboard system.
Key Features
- 7-inch sunlight-readable touchscreen with responsive touch controls for navigation in bright daylight conditions
- Ultra high-definition scanning sonar delivering up to 70% clearer detail and resolution compared to standard sonar imaging
- GT24HD-TM transducer included for ultra high-definition sonar performance without additional purchase requirements
- Preloaded LakeVü g3 maps covering over 17,000 lakes with 1-foot contour intervals for detailed bathymetric data
- QuickDraw Contours feature enabling anglers to create custom maps with 1-foot precision while exploring
- Network-capable design supporting multiple compatible devices to share sonar data, user data, and charts across your boat
- NMEA 2000 and NMEA 0183 compatible for integration with autopilots, media systems, VHF radios, and other marine equipment
Data Insights
The ultra high-definition sonar technology on the ECHOMAP 73cv UHD provides imaging clarity up to 70% greater than conventional sonar systems, enabling more precise identification of underwater structures, vegetation, and fish-holding areas. Users of UHD-equipped devices report catch rate improvements of up to 40% compared to traditional non-UHD fishfinders, translating direct performance gains into tangible fishing success. This sonar capability, combined with the 17,000-lake map database, delivers comprehensive situational awareness across North American waters.
Usage Instructions
Mount the ECHOMAP 73cv UHD securely to your boat using the provided bracket, positioning it for optimal screen visibility from your typical operating location. Power on the unit and select your preferred split-screen view combining sonar and map displays. Identify your target lake or water body on the preloaded LakeVü g3 maps, then activate sonar scanning to observe bottom structure and fish activity. Use the QuickDraw Contours feature to mark productive areas and create personalized map layers as you fish, building a custom knowledge base for future trips on the same water.
Design & Material
The ECHOMAP 73cv UHD features a modern, compact design built for the marine environment with durability and functionality as core design principles. Its footprint fits standard boat console mounting without dominating space, while the ergonomic layout positions buttons and controls for one-handed operation while running the boat.
- Water-resistant housing engineered to tolerate saltwater spray, freshwater splash, and humidity without performance degradation
- Durable black housing and bezel construction resisting UV damage, corrosion, and cosmetic wear from marine use
- High-strength mounting bracket with flexible positioning options accommodating various boat console configurations
- 7-inch touchscreen with anti-glare coating and LED backlighting for visibility in bright daylight and low-light conditions
- Intuitive menu interface with dedicated soft-key buttons for quick access to sonar, map, mark, and menu functions
- Compact 9-inch width allowing installation in tight helm spaces without requiring console modifications or space reconfiguration
Final Verdict
The Garmin ECHOMAP 73cv UHD with GT24HD-TM transducer and LakeVü g3 maps delivers professional-grade sonar and navigation in a mid-sized package, solving the core challenges anglers face: finding fish and understanding water structure. With superior sonar clarity, an extensive preloaded map database, and full networking capability for integration with your boat's electronics ecosystem, this chartplotter combines proven technology with practical features that improve your catch rates and reduce time spent searching unproductive water. The included ultra high-definition transducer means no additional purchases are required to achieve full system performance. Whether upgrading from older sonar equipment or equipping a new fishing platform, the ECHOMAP 73cv UHD offers measurable advantages that justify the investment for any angler prioritizing efficiency and success on the water.
In The Box
- ECHOMAP UHD 73cv with LakeVü g3 for U.S.
- GT24UHD-TM transducer
- Power/data cable
- Tilt/swivel mount with quick release cradle
- Flush mount
- Protective cover
- Hardware
- Documentation
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.
Reviews
Ask a Question
Tech Specs
Garmin ECHOMAP 73cv UHD with U.S. LakeVü g3 and GT24HD-TM Transducer
Introduction
The Garmin ECHOMAP 73cv UHD is a 7-inch chartplotter and fishfinder designed to deliver precise underwater imaging and navigation for serious anglers. Paired with the included GT24HD-TM ultra high-definition transducer and preloaded U.S. LakeVü g3 maps, this marine GPS unit combines sonar clarity with comprehensive lake data to help you locate structure, fish, and your best fishing spots efficiently. The touchscreen display remains readable in direct sunlight, and the integrated NMEA compatibility allows seamless connection to other marine electronics for a fully networked onboard system.
Key Features
- 7-inch sunlight-readable touchscreen with responsive touch controls for navigation in bright daylight conditions
- Ultra high-definition scanning sonar delivering up to 70% clearer detail and resolution compared to standard sonar imaging
- GT24HD-TM transducer included for ultra high-definition sonar performance without additional purchase requirements
- Preloaded LakeVü g3 maps covering over 17,000 lakes with 1-foot contour intervals for detailed bathymetric data
- QuickDraw Contours feature enabling anglers to create custom maps with 1-foot precision while exploring
- Network-capable design supporting multiple compatible devices to share sonar data, user data, and charts across your boat
- NMEA 2000 and NMEA 0183 compatible for integration with autopilots, media systems, VHF radios, and other marine equipment
Data Insights
The ultra high-definition sonar technology on the ECHOMAP 73cv UHD provides imaging clarity up to 70% greater than conventional sonar systems, enabling more precise identification of underwater structures, vegetation, and fish-holding areas. Users of UHD-equipped devices report catch rate improvements of up to 40% compared to traditional non-UHD fishfinders, translating direct performance gains into tangible fishing success. This sonar capability, combined with the 17,000-lake map database, delivers comprehensive situational awareness across North American waters.
Usage Instructions
Mount the ECHOMAP 73cv UHD securely to your boat using the provided bracket, positioning it for optimal screen visibility from your typical operating location. Power on the unit and select your preferred split-screen view combining sonar and map displays. Identify your target lake or water body on the preloaded LakeVü g3 maps, then activate sonar scanning to observe bottom structure and fish activity. Use the QuickDraw Contours feature to mark productive areas and create personalized map layers as you fish, building a custom knowledge base for future trips on the same water.
Design & Material
The ECHOMAP 73cv UHD features a modern, compact design built for the marine environment with durability and functionality as core design principles. Its footprint fits standard boat console mounting without dominating space, while the ergonomic layout positions buttons and controls for one-handed operation while running the boat.
- Water-resistant housing engineered to tolerate saltwater spray, freshwater splash, and humidity without performance degradation
- Durable black housing and bezel construction resisting UV damage, corrosion, and cosmetic wear from marine use
- High-strength mounting bracket with flexible positioning options accommodating various boat console configurations
- 7-inch touchscreen with anti-glare coating and LED backlighting for visibility in bright daylight and low-light conditions
- Intuitive menu interface with dedicated soft-key buttons for quick access to sonar, map, mark, and menu functions
- Compact 9-inch width allowing installation in tight helm spaces without requiring console modifications or space reconfiguration
Final Verdict
The Garmin ECHOMAP 73cv UHD with GT24HD-TM transducer and LakeVü g3 maps delivers professional-grade sonar and navigation in a mid-sized package, solving the core challenges anglers face: finding fish and understanding water structure. With superior sonar clarity, an extensive preloaded map database, and full networking capability for integration with your boat's electronics ecosystem, this chartplotter combines proven technology with practical features that improve your catch rates and reduce time spent searching unproductive water. The included ultra high-definition transducer means no additional purchases are required to achieve full system performance. Whether upgrading from older sonar equipment or equipping a new fishing platform, the ECHOMAP 73cv UHD offers measurable advantages that justify the investment for any angler prioritizing efficiency and success on the water.
In The Box
- ECHOMAP UHD 73cv with LakeVü g3 for U.S.
- GT24UHD-TM transducer
- Power/data cable
- Tilt/swivel mount with quick release cradle
- Flush mount
- Protective cover
- Hardware
- Documentation
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 ECHOMAP 73cv UHD with U.S. LakeVü g3 and GT24HD-TM Transducer
Introduction
The Garmin ECHOMAP 73cv UHD is a 7-inch chartplotter and fishfinder designed to deliver precise underwater imaging and navigation for serious anglers. Paired with the included GT24HD-TM ultra high-definition transducer and preloaded U.S. LakeVü g3 maps, this marine GPS unit combines sonar clarity with comprehensive lake data to help you locate structure, fish, and your best fishing spots efficiently. The touchscreen display remains readable in direct sunlight, and the integrated NMEA compatibility allows seamless connection to other marine electronics for a fully networked onboard system.
Key Features
- 7-inch sunlight-readable touchscreen with responsive touch controls for navigation in bright daylight conditions
- Ultra high-definition scanning sonar delivering up to 70% clearer detail and resolution compared to standard sonar imaging
- GT24HD-TM transducer included for ultra high-definition sonar performance without additional purchase requirements
- Preloaded LakeVü g3 maps covering over 17,000 lakes with 1-foot contour intervals for detailed bathymetric data
- QuickDraw Contours feature enabling anglers to create custom maps with 1-foot precision while exploring
- Network-capable design supporting multiple compatible devices to share sonar data, user data, and charts across your boat
- NMEA 2000 and NMEA 0183 compatible for integration with autopilots, media systems, VHF radios, and other marine equipment
Data Insights
The ultra high-definition sonar technology on the ECHOMAP 73cv UHD provides imaging clarity up to 70% greater than conventional sonar systems, enabling more precise identification of underwater structures, vegetation, and fish-holding areas. Users of UHD-equipped devices report catch rate improvements of up to 40% compared to traditional non-UHD fishfinders, translating direct performance gains into tangible fishing success. This sonar capability, combined with the 17,000-lake map database, delivers comprehensive situational awareness across North American waters.
Usage Instructions
Mount the ECHOMAP 73cv UHD securely to your boat using the provided bracket, positioning it for optimal screen visibility from your typical operating location. Power on the unit and select your preferred split-screen view combining sonar and map displays. Identify your target lake or water body on the preloaded LakeVü g3 maps, then activate sonar scanning to observe bottom structure and fish activity. Use the QuickDraw Contours feature to mark productive areas and create personalized map layers as you fish, building a custom knowledge base for future trips on the same water.
Design & Material
The ECHOMAP 73cv UHD features a modern, compact design built for the marine environment with durability and functionality as core design principles. Its footprint fits standard boat console mounting without dominating space, while the ergonomic layout positions buttons and controls for one-handed operation while running the boat.
- Water-resistant housing engineered to tolerate saltwater spray, freshwater splash, and humidity without performance degradation
- Durable black housing and bezel construction resisting UV damage, corrosion, and cosmetic wear from marine use
- High-strength mounting bracket with flexible positioning options accommodating various boat console configurations
- 7-inch touchscreen with anti-glare coating and LED backlighting for visibility in bright daylight and low-light conditions
- Intuitive menu interface with dedicated soft-key buttons for quick access to sonar, map, mark, and menu functions
- Compact 9-inch width allowing installation in tight helm spaces without requiring console modifications or space reconfiguration
Final Verdict
The Garmin ECHOMAP 73cv UHD with GT24HD-TM transducer and LakeVü g3 maps delivers professional-grade sonar and navigation in a mid-sized package, solving the core challenges anglers face: finding fish and understanding water structure. With superior sonar clarity, an extensive preloaded map database, and full networking capability for integration with your boat's electronics ecosystem, this chartplotter combines proven technology with practical features that improve your catch rates and reduce time spent searching unproductive water. The included ultra high-definition transducer means no additional purchases are required to achieve full system performance. Whether upgrading from older sonar equipment or equipping a new fishing platform, the ECHOMAP 73cv UHD offers measurable advantages that justify the investment for any angler prioritizing efficiency and success on the water.





Garmin Warranty