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GARMIN 0100048400 GMR 404 Open Array Radar Antenna

SKU #: GMGMR404 | Part #: 0100048400
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The GMR 404 transmits data over the Garmin Marine Network, a 100-megabit plug-and-play proprietary network that gives you the ability to expand your boat’s system as needed. Once connected to the network, any network-compatible Garmin chartplotter can double as your radar screen. And as an aid to locational awareness, you can overlay the GMR 404 radar image on the chartplotter's map page. You can also split the on-screen display so that you can view the map and the standard radar page simultaneously.

The GMR 404 open array radar (pedestal sold separately; click on accessories tab to view pedestal) allows you to scan more of what's out there while you're on the water. Whether ships, shores, birds or weather, you'll see it sooner with the powerful 4-foot GMR 404 and its larger counterpart, the GMR 406.

See Everything in Sharper Detail

The GMR 404 is a 4-foot open array scanner with 1.8° beamwidth and a range of 72 nautical miles. With this beamwidth and 4 kilowatts of power, the 404 offers outstanding clarity, precision and target definition. You can also use the 404 to avoid traffic on the water with MARPA target tracking.


Physical & Performance:

Unit dimensions, WxHxD: 4' diameter (1.22 meter diameter); pedestal: 24" x 11" x 16" (61 x 28 x 40.6 cm)
Weight: antenna only: 12 lb (5.4 kg)
Waterproof: yes (IPX6)
Antenna sweep: 24 and 48 rpm
Transmit power: 4 kW
Power input: 10.5 - 38 V DC, 45 W
Beam width: 1.8° horizontal, 25° vertical
Maximum range: 72 nm
Minimum range: 20 meters
RoHS version available: no


Garmin Marine Network™ compatible: yes
MARPA target tracking (collision avoidance): yes (requires heading sensor; sold separately)
Guard zone alarm: yes

*Due to manufacturer’s restrictions this item may only be exchanged for the same item if found to be defective within 7 days

Included in the box with this product:
  • GMR 404/406 Marine Radar Antenna
  • Carrying strap
  • Field material kit
  • Marine network data card
  • Cable
  • Field install cable end kit
  • Owner's manual
  • Installation instructions
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