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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
In The Box
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 GPSMAP 923xsv and GMR 18 HD+ Radar Bundle
Introduction
The Garmin GPSMAP 923xsv paired with the GMR 18 HD+ radar delivers integrated navigation and detection designed for serious marine operations. The 9-inch chartplotter combines sonar imaging, real-time radar, and detailed mapping in a single helm station, handling everything from route planning to fish detection and weather tracking without requiring multiple systems.
Key Features
- 9-inch high-resolution IPS touchscreen display with 50% more pixels than earlier models
- SideVü™ and ClearVü™ ultra high-definition sonar for underwater structure and fish imaging
- 1 kW CHIRP traditional sonar for precise target detection at depths up to 3,000 feet
- GMR 18 HD+ compact radar dome with 4 kW power output for 48-nautical-mile maximum range
- Preloaded Garmin Navionics+™ charts with auto route planning functionality
- Nearly double the processing power of previous GPSMAP generations for faster data rendering and operation
Data Insights
Testing shows the GPSMAP 923xsv delivers an 80% increase in sonar detail compared to conventional single-frequency systems. The combination of SideVü™, ClearVü™, and 1 kW CHIRP sonar creates detailed imagery across multiple scanning angles simultaneously. Auto route planning with integrated Navionics+™ charts reduces manual navigation setup time by approximately 50%, allowing crews to spend less time planning and more time on productive operations.
Usage Instructions
Mount the GPSMAP 923xsv at your helm with an unobstructed view forward. Connect the GMR 18 HD+ radar following the installation manual for proper positioning and cable routing. Access sonar, radar, and mapping data through the responsive touchscreen interface. Perform regular software updates and chart downloads via the built-in Wi-Fi connectivity to maintain access to the latest navigation data and performance improvements.
Design & Material
The GPSMAP 923xsv features a streamlined profile designed to fit standard helm spaces while maintaining an edge-to-edge glass display that performs reliably in both bright sunlight and low-light conditions. The compact footprint simplifies installation in tight quarters without sacrificing screen real estate or functionality.
- Marine-grade materials rated for saltwater and freshwater environments
- Weatherproof housing with sealed cable connections to withstand splash zones and spray
- High-sensitivity touchscreen technology with glove-compatible operation
- Precision-engineered transducer connections compatible with existing Garmin marine systems
- Integrated cable management system for clean, organized installations
- Multi-position mounting bracket options for helm or hardtop installation
Final Verdict
The Garmin GPSMAP 923xsv and GMR 18 HD+ bundle eliminates the need for separate chartplotters, sonar units, and radar systems by delivering proven marine navigation and detection in a single integrated platform. For commercial operators, charter services, and serious recreational mariners who depend on accurate sonar, reliable radar, and detailed charts, this combination significantly reduces setup complexity while improving response time and situational awareness. Add this bundle to your vessel and operate with the clarity and confidence that professional-grade marine electronics provide.

Garmin Warranty