Furuno GPS021S DGPS Antenna
Furuno GPS021S DGPS Antenna Product Description
Precision Positioning for Demanding Marine Environments
Enhance your vessel's navigational accuracy with the Furuno GPS021S DGPS antenna, a robust H-field design engineered for superior signal reception. This antenna stands out in challenging conditions where standard GPS units falter, delivering reliable differential corrections that sharpen your position data to within meters. Mariners trust it for everything from coastal cruising to offshore operations, ensuring safer passages through fog, heavy weather, or congested waterways.
What sets this antenna apart is its specialized H-field technology, which minimizes multipath errors from nearby structures like masts or superstructures. Unlike conventional antennas, it focuses on the magnetic component of GPS signals, providing cleaner data feeds to your Furuno chartplotter or multifunction display. Pair it with compatible receivers for seamless integration into your existing setup, unlocking pinpoint accuracy without the hassle of frequent recalibrations.
Key Features That Deliver Real-World Performance
- High-Sensitivity H-Field Reception: Captures weak signals effectively, even under overhangs or in urban coastal areas.
- DGPS Compatibility: Supports differential corrections for sub-meter precision, ideal for precise anchoring or docking.
- Rugged Marine Build: IPX7 waterproof rating withstands heavy rain, salt spray, and deck washdowns.
- Compact Footprint: Low-profile design reduces windage and simplifies mounting on rails, arches, or flat surfaces.
- Wide Frequency Support: Handles GPS L1 and DGPS beacons, future-proofing your system for evolving standards.
Users report fewer signal dropouts during long voyages, translating to confidence-boosting reliability. Its passive design draws no power, making it a low-maintenance addition that won't strain your electrical system.
Ideal Applications Across Marine Sectors
From commercial fishing fleets plotting optimal trawls to recreational sailors navigating tricky inlets, the Furuno GPS021S excels where precision matters most. It's a go-to for search and rescue teams needing exact coordinates, survey vessels mapping seabeds, and superyachts demanding flawless integration with autopilot systems.
Why Choose H-Field Over Traditional Antennas?
Traditional patch antennas struggle with reflections off metal surfaces, leading to jittery position fixes. The H-field approach cuts through this noise, offering smoother tracks and faster acquisition times—critical when seconds count in tight maneuvers.
Effortless Installation and Long-Term Reliability
Mounting is straightforward with included hardware: secure it to a stable base away from obstructions, route the coaxial cable neatly, and connect to your receiver. Pro tip: Position it high and clear of radar domes for optimal sky view. Regular lens wipes keep it performing like new, and its corrosion-resistant materials shrug off years of exposure.
For troubleshooting, check cable integrity first—most issues stem from pinched lines or loose fittings. This antenna's durability means fewer replacements, saving time and resources on the water.
Boost Your System's Potential
Integrating the GPS021S elevates your Furuno ecosystem, feeding ultra-accurate data to ECDIS, AIS, or radar overlays. Experience tighter route following, reduced fuel burn from optimized paths, and peace of mind knowing your position is rock-solid, even in GPS-denied zones with DGPS fallback.
Frequently Asked Questions
What makes the Furuno GPS021S different from standard GPS antennas?
Its H-field technology excels at rejecting multipath interference, providing more stable and accurate positioning in environments with metal obstructions, unlike typical patch antennas.
Is the GPS021S suitable for all boat types?
Yes, its compact, low-profile design fits recreational boats, fishing vessels, workboats, and larger commercial ships, with versatile mounting options.
How does DGPS improve accuracy with this antenna?
DGPS uses ground-based reference stations to send correction signals, refining GPS data to sub-meter levels when paired with the GPS021S for marine navigation.
What maintenance does the Furuno GPS021S require?
Minimal—wipe the radome occasionally with fresh water and mild soap. Inspect cables yearly for wear to ensure peak performance.
Can it handle harsh weather conditions?
Absolutely, with an IPX7 rating for submersion protection and materials resistant to UV, salt, and corrosion, it's built for the toughest marine environments.
Does it work with non-Furuno receivers?
It connects via standard N-type or TNC coaxial cables to most GPS/DGPS receivers supporting L1 frequencies, offering broad compatibility.
What's the best mounting location for optimal performance?
Mount high on the vessel with a clear 360-degree sky view, at least 2 meters from radar or other transmitting antennas to minimize interference.
Furuno GPA021S Attributes
GPS021S DGPS Antenna
Furuno's GPS/DGPS H-Field Antenna This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
GPS021S DGPS Antenna Furuno’s GPS/DGPS H Field Antenna Warning: This product can expose you to chemicals known to cause cancer and birth in California.
Frequently Asked Questions (FAQ) About Furuno GPS021S DGPS Antenna
Who is the Furuno?How to describe Furuno GPS021S DGPS Antenna?
What is the type of the product?
Who is the Furuno?
How to describe Furuno GPS021S DGPS Antenna?
What is the type of the product?
Save $11 when you buy the Furuno GPS021S DGPS Antenna for only $444 from NVN Marine! Same day shipping before 3pm.
Furuno GPS021S DGPS Antenna Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Furuno |
| Weight: |
2.2 lb |
| Type: |
Antennas |
Furuno GPS021S DGPS Antenna User Reviews
Furuno GPS021S DGPS Antenna Shipping & Return
| Shipping Weight: |
2.2 lb |
|---|---|
| Box Sizes: |
7.00 (h) x 9.00 (w) x 11.00 (l) |
| Cubic Feet: |
693.0 |
| P65: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.



