The GMR 40 adds important radar information to a system that already includes GPS, sonar, and XM WX Satellite Weather data components—making the Marine Network one of the most comprehensive marine navigation systems on the market.

Impressive Performance

The GMR 40 (4kW radome) features a narrow 3.6-degree horizontal and 25-degree vertical beamwidth, which delivers accurate target acquisition and better penetration through rain and fog. It has a range of 36 nautical miles (nm). For fast and efficient presentation of radar signatures, raw data is processed within the radome and presented on Garmins GPSMAP® 3006C and GPSMAP 3010C chartplotter/multifunction displays (MFDs).

Ease of Use

The GMR 40 features automatic and manual sensitivity and tuning controls, including gain, sea clutter, and rain clutter—which allows boaters to spend less time tuning the unit and more time navigating. The unit also boasts selectable interference rejection, which mitigates the effect of nearby radar transmissions.

Advanced technology

Once the GMR 40 is interfaced with a GPSMAP 3006/3010 MFD, it is possible to overlay radar images on the charting to help reconcile radar signatures with known objects. Users can view "radar only" or split the display for multiple views of radar and charting.

To aid in collision avoidance, the unit also offers MARPA (Mini Automatic Radar Plotting Aid) capability, which allows boaters to track the bearing, course, speed and predicted closest approach (by both time and distance) of up to 10 targets. MARPA functionality requires GPSMAP 3006/3010 MFDs and an optional heading sensor.*

Marine Networking

The GMR 40 communicates with the Garmin Marine Network through a waterproof 100-megabit plug-and-play proprietary network—which affords users the ability to expand their boats system as needed. Boaters can connect a GPS antenna and one remote network sensor (like the GMR 40) directly to the MFD—or with the addition of the GMS™ 10 Network Port Expander, users can connect multiple MFDs and network sensors to the same network.

The GMR 40: Giving boaters more confidence and enjoyment on the water.

*Garmin suggests the KVH 1000 heading sensor.

GMR 40 Radar Scanner Features:
• Unit Dimensions: 28'' (710mm) D x 8'' (205mm) H
• Radar Scanner Weight: Unit 26 lbs; cable 8.35 lbs
• Range Scales (Range Rings): 1/8nm (1/32nm) to 36nm (9nm)
• Power Output: 4kW
• Power Input Source: 10-35 vDC 28W
• Operating Temperature Range: -25?C to 70? C, and relative humidity up to 95% at 35?C
• Beamwidth: Horizontal beamwidth of 3.6? nominal/Vertical beamwidth of 25?
• Range: 36nm
• Wind Velocity: Wind speed up to 100 Kts
• Antenna RPMs: 24rpm
• Range Ring Accuracy: +/- 1 meter
• Bearing Accuracy: 1?
• Minimum Range: 35 meters
• Range Discrimination: 30 meters
• Sensitivity and Tine Controls: Gain, Sea Clutter, Rain Clutter, Frequency Tune
• Radar/Chart Synchronization: Overlay mode. Split overlay with standard radar presentation
• Off Center Function: Look ahead, Auto Shift and Manual
• RF Transmit Frequency: 9410 30 MHz

Package Includes:

• GMR 40
• Mount hardware kit
• Power/marine network cable (15 meters)
• Cable grommet
• Installation manual
• Owner's manual