Garmin GMR 18 HD3 Dome Radar
Manufacturers Part Number: 010-02843-00
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| Our Price:
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£1,495.96 Inc VAT £1,246.63 Ex VAT |
| Order Code: | ZGAR010-02843-00 |
| Manufacturer: | Garmin |
| RRP: |
| In stock - for dispatch or collection from Plymouth in 48hrs. |
Delivery Options
| Priority Service | |
| Transit Time 2 - 3 Working Days. (inc TAX) | £3.49 |
| Economy Service | |
| Transit Time Up To 7 Working days (inc TAX) | FREE |
| Click&Collect | |
| Collection from Plymouth in 48hrs (inc TAX) | FREE |
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Garmin GMR 18 HD3 Dome Radar Frequenty Asked Questions:Q. What are the key features of the GMR 18 HD3?A. 4kW transmit power for strong signal and long-range detection, Dynamic Auto Gain for optimal performance in changing conditions, Dynamic Sea Filter to reduce sea clutter based on wave state, MARPA target tracking (requires heading sensor), Radar overlay on compatible Garmin chartplotters, Low-noise dome motor for quiet operation, Dual radar support for redundancy across multiple displays. Q. What is the radar's detection range?A. The GMR 18 HD3 offers a minimum range of 20 metres and a maximum range of 36 nautical miles, making it suitable for both close-quarter navigation and long-distance hazard detection. Q. Is the GMR 18 HD3 compatible with my Garmin chartplotter?A. Yes. It integrates seamlessly with Garmin GPSMAP series and other Garmin Marine Network-compatible MFDs. This allows radar overlays, MARPA tracking, and full control via your chartplotter interface. Q. What's included in the box?A. Garmin GMR 18 HD3 dome radar, 15m power cable, 15m Garmin Marine Network cable, Mounting hardware and template, Installation instructions. Optional accessories like mast mounts and heading sensors are available separately on CactusNav.com Q. How easy is installation?A. Installation is straightforward for experienced DIYers or marine technicians. The radar should be mounted: On a flat, unobstructed surface, Above other antennas to reduce interference, Parallel to the waterline for accurate scanning. Professional installation is recommended to ensure optimal performance and warranty compliance. Q. What power supply does the radar require?A. The GMR 18 HD3 operates on 11 Q. What is MARPA and how does it work?A. MARPA (Mini Automatic Radar Plotting Aid) allows the radar to track selected targets - such as nearby vessels - and display their speed, heading, and closest point of approach. This helps prevent collisions and improves situational awareness. A heading sensor is required for MARPA functionality. Q. Is the radar suitable for UK marine conditions?A. Absolutely. The GMR 18 HD3 is built to IPX7 waterproof standards, with a rugged dome housing that withstands salt spray, rain, and temperature extremes. It's engineered for the variable weather and sea states common around the UK coastline. Q. Why choose the GMR 18 HD3 over other radars?A. The GMR 18 HD3 offers premium radar performance at an entry-level price, combining: Advanced scanning features, Garmin ecosystem integration, Compact design for smaller vessels, Reliable target separation and clarity. It's a smart investment for boaters who want professional-grade radar without the bulk or complexity of open-array systems.
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