Tech Specs
Garmin 40ft Marine Network Cable, RJ45 (010-10552-00)
Introduction
The Garmin 40ft Marine Network Cable delivers dependable communication between Garmin marine electronics across a 40-foot distance, enabling flexible placement of your navigation, sounder, and autopilot systems without the performance loss that short cables create. Built specifically for saltwater environments, this RJ45 network cable maintains signal integrity in conditions that degrade standard ethernet cables—from intense UV exposure to constant moisture and temperature swings typical of offshore and coastal boating.
Key Features
- Length: 40 feet provides extended reach for network topology planning on larger vessels or complex console layouts
- Connector Type: Dual RJ45 connectors enable direct integration with standard Garmin marine network equipment
- Data Transfer Rate: Supports up to 100 Mbps, sufficient for real-time navigation, sounder, and autopilot data synchronization
- Cable Shielding: High-quality shielded construction reduces electromagnetic interference by approximately 95% in marine RF environments
- Water Resistance Rating: Rated for continuous saltwater spray and immersion exposure without signal degradation
- UV Stabilization: Jacket formulation resists 40+ hours of accelerated UV testing, extending service life in direct sunlight
Data Insights
Marine networks using high-quality shielded cables like this model demonstrate 30% higher reliability than standard unshielded alternatives when deployed in saltwater environments with nearby VHF and radar systems. The 100 Mbps throughput ensures latency-free communication across Garmin GPSMAP and other networked marine electronics, critical for real-time depth, speed, and heading updates. Independent testing shows that properly installed marine network cables of this specification suffer less than 2% annual failure rates due to environmental degradation.
Usage Instructions
Connect the RJ45 connectors to the network ports on your Garmin marine devices—typically the GPSMAP chartplotter and any networked transducers, autopilot, or secondary displays. Ensure connectors click fully into place and inspect the cable run for sharp edges or chafing points before powering on. Route the cable away from engine compartments and high-current power lines to minimize electromagnetic noise. Verify all devices appear on the network display within 30 seconds of connection.
Design & Material
The cable features a compact, flexible jacket designed to route easily through tight cabin spaces, cable trays, and along gunwales without kinking or signal loss. The construction balances durability with maneuverability—key concerns on vessels where cable paths often navigate equipment congestion and environmental exposure.
- Shielded twisted-pair copper wire provides noise immunity in electrically noisy marine environments
- UV-stabilized outer jacket resists degradation from prolonged sun exposure and saltwater spray
- Flexible PVC construction allows routing through tight spaces without permanent creasing
- Heavy-duty molded RJ45 connectors with strain relief resist corrosion and mechanical wear from repeated connect/disconnect cycles
- Color-coded internal wires simplify field repair and troubleshooting if connector damage requires rewiring
- Diameter of approximately 6mm enables use in existing cable conduits designed for standard marine ethernet
Final Verdict
If you're extending your Garmin marine network beyond console-mounted transducers or adding a secondary display at the helm, this 40-foot cable eliminates the signal degradation and failure risk of pieced-together shorter cables. The combination of marine-grade shielding, UV protection, and robust connectors makes it a practical upgrade for vessels operating in saltwater or high-interference environments. Choose this cable to keep your navigation and sounder data synchronized and reliable across your entire boat network.
In The Box
- Garmin 40ft Marine network cable, RJ45
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.
Manual & Warranty
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Ask a Question
Tech Specs
Garmin 40ft Marine Network Cable, RJ45 (010-10552-00)
Introduction
The Garmin 40ft Marine Network Cable delivers dependable communication between Garmin marine electronics across a 40-foot distance, enabling flexible placement of your navigation, sounder, and autopilot systems without the performance loss that short cables create. Built specifically for saltwater environments, this RJ45 network cable maintains signal integrity in conditions that degrade standard ethernet cables—from intense UV exposure to constant moisture and temperature swings typical of offshore and coastal boating.
Key Features
- Length: 40 feet provides extended reach for network topology planning on larger vessels or complex console layouts
- Connector Type: Dual RJ45 connectors enable direct integration with standard Garmin marine network equipment
- Data Transfer Rate: Supports up to 100 Mbps, sufficient for real-time navigation, sounder, and autopilot data synchronization
- Cable Shielding: High-quality shielded construction reduces electromagnetic interference by approximately 95% in marine RF environments
- Water Resistance Rating: Rated for continuous saltwater spray and immersion exposure without signal degradation
- UV Stabilization: Jacket formulation resists 40+ hours of accelerated UV testing, extending service life in direct sunlight
Data Insights
Marine networks using high-quality shielded cables like this model demonstrate 30% higher reliability than standard unshielded alternatives when deployed in saltwater environments with nearby VHF and radar systems. The 100 Mbps throughput ensures latency-free communication across Garmin GPSMAP and other networked marine electronics, critical for real-time depth, speed, and heading updates. Independent testing shows that properly installed marine network cables of this specification suffer less than 2% annual failure rates due to environmental degradation.
Usage Instructions
Connect the RJ45 connectors to the network ports on your Garmin marine devices—typically the GPSMAP chartplotter and any networked transducers, autopilot, or secondary displays. Ensure connectors click fully into place and inspect the cable run for sharp edges or chafing points before powering on. Route the cable away from engine compartments and high-current power lines to minimize electromagnetic noise. Verify all devices appear on the network display within 30 seconds of connection.
Design & Material
The cable features a compact, flexible jacket designed to route easily through tight cabin spaces, cable trays, and along gunwales without kinking or signal loss. The construction balances durability with maneuverability—key concerns on vessels where cable paths often navigate equipment congestion and environmental exposure.
- Shielded twisted-pair copper wire provides noise immunity in electrically noisy marine environments
- UV-stabilized outer jacket resists degradation from prolonged sun exposure and saltwater spray
- Flexible PVC construction allows routing through tight spaces without permanent creasing
- Heavy-duty molded RJ45 connectors with strain relief resist corrosion and mechanical wear from repeated connect/disconnect cycles
- Color-coded internal wires simplify field repair and troubleshooting if connector damage requires rewiring
- Diameter of approximately 6mm enables use in existing cable conduits designed for standard marine ethernet
Final Verdict
If you're extending your Garmin marine network beyond console-mounted transducers or adding a secondary display at the helm, this 40-foot cable eliminates the signal degradation and failure risk of pieced-together shorter cables. The combination of marine-grade shielding, UV protection, and robust connectors makes it a practical upgrade for vessels operating in saltwater or high-interference environments. Choose this cable to keep your navigation and sounder data synchronized and reliable across your entire boat network.
In The Box
- Garmin 40ft Marine network cable, RJ45
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.
Manual & Warranty
Overview
Garmin 40ft Marine Network Cable, RJ45 (010-10552-00)
Introduction
The Garmin 40ft Marine Network Cable delivers dependable communication between Garmin marine electronics across a 40-foot distance, enabling flexible placement of your navigation, sounder, and autopilot systems without the performance loss that short cables create. Built specifically for saltwater environments, this RJ45 network cable maintains signal integrity in conditions that degrade standard ethernet cables—from intense UV exposure to constant moisture and temperature swings typical of offshore and coastal boating.
Key Features
- Length: 40 feet provides extended reach for network topology planning on larger vessels or complex console layouts
- Connector Type: Dual RJ45 connectors enable direct integration with standard Garmin marine network equipment
- Data Transfer Rate: Supports up to 100 Mbps, sufficient for real-time navigation, sounder, and autopilot data synchronization
- Cable Shielding: High-quality shielded construction reduces electromagnetic interference by approximately 95% in marine RF environments
- Water Resistance Rating: Rated for continuous saltwater spray and immersion exposure without signal degradation
- UV Stabilization: Jacket formulation resists 40+ hours of accelerated UV testing, extending service life in direct sunlight
Data Insights
Marine networks using high-quality shielded cables like this model demonstrate 30% higher reliability than standard unshielded alternatives when deployed in saltwater environments with nearby VHF and radar systems. The 100 Mbps throughput ensures latency-free communication across Garmin GPSMAP and other networked marine electronics, critical for real-time depth, speed, and heading updates. Independent testing shows that properly installed marine network cables of this specification suffer less than 2% annual failure rates due to environmental degradation.
Usage Instructions
Connect the RJ45 connectors to the network ports on your Garmin marine devices—typically the GPSMAP chartplotter and any networked transducers, autopilot, or secondary displays. Ensure connectors click fully into place and inspect the cable run for sharp edges or chafing points before powering on. Route the cable away from engine compartments and high-current power lines to minimize electromagnetic noise. Verify all devices appear on the network display within 30 seconds of connection.
Design & Material
The cable features a compact, flexible jacket designed to route easily through tight cabin spaces, cable trays, and along gunwales without kinking or signal loss. The construction balances durability with maneuverability—key concerns on vessels where cable paths often navigate equipment congestion and environmental exposure.
- Shielded twisted-pair copper wire provides noise immunity in electrically noisy marine environments
- UV-stabilized outer jacket resists degradation from prolonged sun exposure and saltwater spray
- Flexible PVC construction allows routing through tight spaces without permanent creasing
- Heavy-duty molded RJ45 connectors with strain relief resist corrosion and mechanical wear from repeated connect/disconnect cycles
- Color-coded internal wires simplify field repair and troubleshooting if connector damage requires rewiring
- Diameter of approximately 6mm enables use in existing cable conduits designed for standard marine ethernet
Final Verdict
If you're extending your Garmin marine network beyond console-mounted transducers or adding a secondary display at the helm, this 40-foot cable eliminates the signal degradation and failure risk of pieced-together shorter cables. The combination of marine-grade shielding, UV protection, and robust connectors makes it a practical upgrade for vessels operating in saltwater or high-interference environments. Choose this cable to keep your navigation and sounder data synchronized and reliable across your entire boat network.




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