Simrad Broadband 4G Radar

Simrad Broadband 4G Radar

Simrad Broadband 4G Radar

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Simrad Broadband 4G Radar Kit, For NSE, NSS, and NSO systems. Low power braodband technology. 165mW transmit power, 19" radome, 36 nm, 5.2° beamwidth (adjustable to 2.6°), 24/36/48 RPM. Replaces BR24 & 3G. The Radar includes:

4G Radar Dome for NSE, NSO, NSS Systems

20m (65.6') Radar Cable
Data Cable
Interface Box NMEA 2000, and more...



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SIMRAD Broadband 4G Radar
Simrad Broeadband 4G Radar
This FMCW radar has all of the benefits of our revolutionary Broadband 3G™ Radar but with more advanced features, including beam sharpening for target separation control, Dual Range radar (NSE & NSO) and increased target detection capabilities.


NEW Beam Sharpening. Simrad Broadband 4G Radar is the only dome radar in the world to employ beam sharpening, which allows you to control the level of target separation, so you can see the sharpest images possible when you need them most.

NEW More Range 50% more true range than Broadband 3G Radar. Now you can see crystal clear targets up to 32nm away and inside strong storm cells more than 17nm away.

NEW Dual Range Capable of displaying Dual Range radar combination when combined with an NSE or NSO system. Monitor targets from 200 feet to 32nm from a single dome.

NEW High Speed Mode Select 48 RPM for almost instant updating at less than 1nm.

MARPA Target Tracking Track up to 10 targets as standard or up to 20 in Dual Range mode with independent control.

Quick Installation No reason to open the dome, no tune or zero mile adjustment, and no radar-licensed technician required.

Dual Guard Zones Protect yourself from more angles.

Extremely Low Emissions Safer than any other radar currently on the market and emitting less radiation than a mobile phone allowing it to be mounted anywhere.

True Motion Display Easily distinguish moving targets from land with NSS, NSE and NSO.

InstantOn™ Solid-state technology produces an immediate, accurate on-screen image unlike normal warm-up times associated with magnetron pulse radars.

Low Power Consumption Ideal for boats of any size, sail, cruise or fish.

Automatic Clarity Proven auto harbour and offshore modes including directional clutter rejection.

Specifications of the SIMRAD 4G RADAR


Compliance FCC/IC/R&TTE FCC ID: RAY3G4G IC ID: 4697A-3G4G Human Exposure General Public Safety Limit - touch dome anywhere
Environmental IEC60945 4th edition 2002-2008 Operating Temperature: -25° to +55°C Relative humidity: +35°C, 95% RH Waterproof: IPX6
Relative wind velocity 51 m/sec (Max:100 Knots)
Power consumption Operating: 20W (Typ.) @ 13.8VDC(21W in dual range mode) Standby: 3.3W (Typ.) @ 13.8VDC ~ 150ma
DC input (at end of radar cable) 9V to 31.2Vdc (12/24 Volt systems). Reverse polarity protection Minimum start-up voltage 10.8Vdc
Transmitter Source (pre-heating time) No magnetron - Instant On
Outside dimensions Height 280mm (11.02”) x Diameter 488mm (19.28”)
Weight (no cable) 7.4 kg (16.3 lbs.)

Radar and Antenna Parameters

Radar Ranges 50m (200ft) to 66km (36nm) with 18 range settings (nm/sm/km) - single and dual range mode (independant)
Rotation 24/36/48rpm +/- 10%; Mode and MFD model dependant
Transmitter frequency X-band - 9.3 to 9.4Ghz
Transmitter source(warm-up time) No Magnetr  - all solid state. Instant On
Plane of polarization Horizontal Polarization
Transmitter peak power output (at antenna port) 165mW (nominal - at antenna port)
Main Bang Dead Zone & Tuning None (not a pulse radar)
Sea and Rain Clutter 3-5 times less than a pulse radar
Sweep Repetition Frequency 200 - 540Hz (mode dependant)
Sweep Time 1.3ms +/- 10%
Sweep Bandwidth 75MHz max
Horizontal Beam width (Tx and Rx antenna) 5.2° +/- 10% (-3dB width)
Vertical Beam width (Tx and Rx antenna) 25° +/- 20% (-3dB width)
Side lobe level (Tx and Rx antenna) Below -18dB (within ±10°); Below -24dB (outside ±10°)
 Noise figure Less than 6dB


Com Protocol High Speed Ethernet (100 Base-T)

Heading NMEA2000/Simnet (with RI-10 interface box)
Inter Connecting cable length 20m (65.6’)
Maximum Inter Connecting cable length 30m (98.4’) - available as an option
Bolts (4) M8x30 - 304 stainless steel
Footprint W233.0mm (9.17”) (port to starboard) x L141.5mm (5.57”)

  • 4G Radar Dome for NSE, NSO, NSS Systems
  • 20m (65.6') Radar Cable
  • Data Cable
  • Interface Box NMEA 2000
  • Yellow ethernet cable
  • Mounting Kit Hardware
  • Installation Template
  • Owner's manual

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