Experience long-range awareness with the Garmin GMR434 xHD3 4 kW 4' Open-Array Radar and Pedestal—designed for demanding mariners who rely on precise targets, fast redraws, and seamless integration with chartplotters.
-
Transmit Power: 4 kW transmitter delivers strong radar returns for reliable detection at long range.
-
Antenna Type & Size: 4' open-array antenna (52.2" long) with rugged IPX6 waterproof construction; dimensions 1325 x 122 x 170 mm; weight 27.6 kg with pedestal.
-
Antenna Length: 4' array: 48" (122 cm).
-
Rotation Speed: Fast redraw at 24 and 48 rpm for crisp targets as you move.
-
Beam Width: Narrow 1.8° horizontal and 23° vertical beam for precise target depiction across ranges.
-
Maximum Range: Up to 72 nautical miles on the 4 kW version; minimum range 20 meters.
-
Display & Processing: Dual-range display with two independently adjustable ranges and overlay onto compatible chartplotters; target size processing; MARPA target tracking (requires heading sensor); echo trails; programmable antenna parking; scan averaging.
-
Dynamic Filtering & Gain: Auto Gain and Auto Bird Gain with dynamic sea filtering to adapt to calm, moderate, or rough seas for optimal returns.
-
Redundancy & Integration: Dual radar support for redundancy and overlay/map integration with compatible chartplotters for intuitive navigation.
-
Power Input & Environment: 11–32 V DC input; typical power consumption 55 W while transmitting, 18 W in standby; IPX6 waterproof; max wind load 80 kt (100 kt with optional voltage converter upgrade).
-
In the Box: GMR xHD3 4 kW pedestal; GMR xHD3 4' antenna; power cable (15 m); network cable (15 m); mounting hardware kit and template; installation instructions.
With Garmin’s robust open-array design, you gain long-range detection, stable trails, and precise target sizing, all seamlessly integrated with your chartplotter. Dual-range display, MARPA tracking, and echo trails enhance situational awareness, helping you distinguish moving targets from clutter and assess potential collision threats quickly—whether near shore or offshore. Built for reliability in demanding marine environments, the GMR434 xHD3 is designed to keep critical information in view as conditions evolve.
| General |
| DIMENSION |
4' array: 1325 x 122 x 170 mm (52.2" x 4.8" x 6.7") |
| WEIGHT |
4' array and pedestal: 27.6 kg |
| WATERPROOF |
IPX6 |
| MAX WIND LOAD |
80kt (100kt with optional voltage converter upgrade) |
| ANTENNA LENGTH |
4' array: 48" (122 cm) |
| ROTATION SPEED (RPM) |
24 and 48 rpm |
| BEAM WIDTH |
4' array: 1.8° horizontal, 23° vertical |
| MAXIMUM RANGE |
72 nm |
| MINIMUM RANGE |
20 meters |
| RADAR TYPE |
Open-array |
| Electrical Features |
| POWER INPUT |
11-32 V DC |
| POWER CONSUMPTION (STANDBY) |
18 W |
| TYPICAL POWER CONSUMPTION, TRANSMITTING (NORMAL MODE) |
55 W |
| TRANSMIT POWER |
4 kW |
| Radar Features |
| DUAL RANGE |
Yes |
| OVERLAY |
Yes |
| DUAL RADAR SUPPORT |
Yes |
| AUTO BIRD GAIN |
Yes |
| AUTO GAIN |
Dynamic |
| MARPA TARGET TRACKING |
yes (requires heading sensor, sold separately) |
| ECHO TRAILS |
True |
| PROGRAMMABLE ANTENNA PARKING |
Yes |
| TARGET SIZE |
Yes |
| SCAN AVERAGING |
Yes |
