Garmin GMR™ 1236 xHD3 6' Open Array Radar & Pedestal - 12kW
Garmin GMR™ 1236 xHD3 6' Open Array Radar & Pedestal - 12kW — Product description
Navigating challenging offshore waters demands radar that cuts through clutter, spots distant threats, and keeps you ahead of the weather. The Garmin GMR 1236 xHD3 steps up with magnetron-powered precision in a compact 6-foot open-array design, delivering crystal-clear images up to 96 nautical miles. Whether you're chasing big game fish or plotting a safe course through fog-shrouded seas, this 12kW powerhouse integrates seamlessly with your Garmin chartplotter, turning raw data into actionable insights for confident decision-making.
Standout Features for Real-World Boating
- Ultra-Long Range Detection: Track vessels, buoys, and storms from 96 nautical miles away, giving you hours of advance warning in open ocean conditions.
- Scan Averaging Innovation: A game-changer for magnetron radars—smooths out wave bounce and noise, sharpening focus on steady targets like approaching ships or fixed obstacles.
- Enhanced Target Sizing: Angular adjustments make objects appear true-to-life on screen, helping you gauge size and speed without guesswork, even at varying distances.
- True Echo Trails: Watch boats leave realistic wakes on your display, stripping away your vessel's motion for spot-on collision risk assessment.
- Split-Screen Dual Range: Monitor short-range harbor hazards alongside long-range horizon scans simultaneously, with customizable overlays on your charts.
Tech That Thinks Like a Pro Mariner
Dynamic Auto Gain kicks in automatically, dialing in perfect sensitivity whether you're dodging rocks in a tight inlet or scanning empty horizons. Pair it with Dynamic Sea Filter, which adapts to choppy swells, flat calms, or storm-tossed waves, ensuring sea clutter never swamps your view.
For anglers, Auto Bird Gain highlights surface-feeding flocks—prime indicators of bait balls below. High-resolution optics, with a razor-thin 1.1° horizontal beam, pick out individual birds or debris from afar. And with MARPA tracking for up to 30 targets, plus customizable Guard Zones that trigger audio alerts, safety stays front and center.
Built Tough for Offshore Abuse
Rated IPX6 waterproof and handling 80-knot winds standard (upgradable to 100 knots), this radar laughs off brutal conditions. A whisper-quiet drive motor and dual-speed rotation (24/48 RPM) mean reliable performance without the racket.
Performance Breakdown: Power Meets Precision
At 12kW transmit power, it punches through rain and fog like few others. Minimum detection starts at just 20 meters, perfect for close-quarters maneuvering. Network it with multiple chartplotters for redundancy—pull feeds from dual radars if needed. Overlay radar directly on charts for a fused situational awareness that's invaluable during night runs or low-vis ops.
Pro Tip: Maximizing Your Radar Setup
Mount high on a sturdy mast for optimal horizon scan. Calibrate gain and sea clutter manually in tricky spots to fine-tune beyond auto modes. Regularly clean the dome to maintain peak beam clarity—salt buildup is the silent killer of radar returns.
Ideal for Offshore Fishing and Cruising
Fishermen love how it reveals bird activity and weed lines from miles out, leading straight to trophy hauls. Cruisers rely on its weather penetration to skirt squalls and spot unlit traffic early. Dual-range views let you baby-sit the anchor swing while eyeing the fleet on the horizon—no swapping screens mid-watch.
California Proposition 65 Warning: This product can expose you to chemicals including NICKEL (METALLIC), which is known to the State of California to cause cancer. For more information, visit P65Warnings.ca.gov.
Frequently Asked Questions
What is the maximum detection range of the Garmin GMR 1236 xHD3 radar?
It offers detection up to 96 nautical miles, ideal for long-range offshore monitoring of weather, traffic, and targets.
How does Scan Averaging Technology improve radar performance?
This feature filters sea clutter and interference across multiple scans, enhancing the clarity of consistent targets like boats or landmarks.
Can this radar handle high winds?
Yes, it's rated for 80-knot winds standard, with an optional upgrade for 100-knot commercial-grade resistance.
Does it support dual-range viewing?
Absolutely—split-screen displays let you view short- and long-range simultaneously, with independent controls and chart overlays.
What power does the GMR 1236 xHD3 require?
It runs on 10-32 VDC, with typical transmit consumption around 70W and low 18W standby for efficient onboard power use.
Is MARPA target tracking included?
Yes, track up to 30 moving targets for collision avoidance, with Guard Zone alarms for added safety.
How quiet is the rotating array?
Features a low-noise drive motor, ensuring smooth, quiet operation even at high RPMs during demanding conditions.
What's the beam width for target resolution?
Narrow 1.1° horizontal by 23° vertical beamwidth provides sharp, high-definition imaging for separating close targets.
GMR™ 1236 xHD3 6' Open Array Radar & Pedestal - 12kW
SCAN WITH THE MAGNETRON POWER OF GARMIN OPEN-ARRAY RADAR
Combining high-definition imaging with the latest Garmin platform technology, this robust 6’ open-array radar offer superior weather, obstacle and traffic detection for mariners cruising or fishing offshore.
- Up to 96-nautical mile range
- Scan Averaging Technology
- Improved Target-Size Processing
- Split-Screen Dual-Range Display
- 100-Knot Commercial Grade Wind Rating1
- Quiet Open-Array Drive Motor
New Scan Averaging Technology
A first for Garmin magnetron radar, scan averaging helps filter out sea clutter and interference to enhance the detection and display of consistent targets.
Angular Target-Size Adjustment
Pulse expansion and angular target-size processing techniques optimize on-screen object shapes for better interpretation at all range scales.
True Echo Trails
A historical “trail” of boats on the water is displayed on the screen, removing relative motion influence to help you quickly identify moving targets and potential collision threats.
Dual Range with Overlay
A single radar antenna is capable of providing split-screen, side-by-side images on your compatible chartplotter, with independent range setting and controls for both close and long range. Overlay either or both ranges on a chart.
Dynamic Auto Gain
Gain automatically adjusts levels to optimum settings for harbors, near shore and offshore in open waters.
Radar Overlay
See overlaid images on your chartplotter’s map screen (with appropriate sensors, sold separately).
High-Resolution Radar
Pick out targets at a distance, thanks to narrow horizontal beamwidth and high antenna gain.
Dual-Radar Support
This provides redundancy and allows each display unit to pull data from different sources.
Dynamic Sea Filter
Radar gain automatically adjusts sea clutter for calm, medium and rough sea conditions.
Auto Bird Gain
Locate flocks of birds at the water’s surface where baitfish are also likely to be found.
MARPA Target Tracking
Track up to 30 targets to help avoid collisions (with appropriate sensors, sold separately).
Guard Zone
Set the safety zone, and receive an alarm when an object enters the zone.
Range and Bearing Cues
Variable range markers and electronic bearing lines allow rapid measurements of distance and bearing to vessels and land.
Includes:
- GMR xHD3 12 kW open array radar with 6’ antenna
- Power cable (15 m/49.21 ft)
- Network cable (15 m/49.21 ft)
- Mounting hardware kit and template
- Installation instructions
Dimensions:
- 6' array - 1938 x 122 x 170 mm / 76.5" x 4.8" x 6.7"
- Pedestal: 520 x 328 x 314 mm / 20.5" x 12.9" x 12.4"
Weight:
- 6' array and pedestal - 29.7 kg
Specifications:
- Waterproof: IPX6
- Max Wind Load: 80KT (100KT with optional voltage converter upgrade)
- Antenna length: 72 in. (183 CM)
- Rotation Speed (RPM): 24 and 48 RPM
- Beam Width: 1.1° horizontal, 23° vertical
- Maximum Range: 96 nautical miles
- Minimum Range: 20 meters
- Radar Type: Open-array
Electrical Features:
- Power Input: 10-32 V DC
- Power Consumption (Standby): 18 W
- Typical Power Consumption, Transmitting (Normal mode): 70 W
- Transmit Power: 12 kW
14-kW versions require optional equipment (sold separately) for 100-knot wind rating
WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.
SKU: NVN-99843
MPN: K10-00012-27
UPC: 753759309978
Technical specifications
| Brand | Garmin |
| Model | Garmin GMR™ 1236 xHD3 6' Open Array Radar & Pedestal - 12kW |
| SKU / MFR# | 99843 |
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