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Simrad Broadband 4G Radar

Discontinued. Browse our selection of other great marine devices >>

This FMCW radar has all of the benefits of Simrad's 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.

Key Features

  • Beam Sharpening
  • 0-36nm Range
  • Dual Range when used with NSE/NSO
  • High Speed Mode
  • Advanced Target Detection
  • Crystal Clear Image
  • Automatic Clarity
  • MARPA Target Tracking
  • Dual Guard Zones
  • InstantOn™
  • Low Power Consumption
  • Zero Radiation Hazard
  • Quick Installation
  • Ethernet Connectivity

Beam Sharpening

The only dome radar in the world to employ beam sharpening. This unique function allows you to control the level of target separation, so you can see the sharpest images possible when you need them most.

4g radar separation

0-36nm Range

Zero main bang and a large working range produce crystal clear target definition right from the bow of your boat and up to 32nm away.

Dual Range when used with NSE/NSO

Capable of displaying Dual Range radar combinations when combined with an NSE or NSO system all from the same single dome.
High Speed Mode
Select 48rpm for almost instant updating at less than 1nm.
Advanced Target Detection
Increased target detection with directional clutter rejection and sidelobe suppresion.
Crystal Clear Image
Fantastic for tight manoeuvres in marinas or in conditions of limited visibility.
Automatic Clarity
Proven Harbour and Offshore auto modes offer a simple solution that requires no tuning.
MARPA Target Tracking
Track up to 20 targets in dual range mode (requires a heading sensor).
Dual Guard Zones
Protect yourself from more angles.
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.
Zero Radiation Hazard
Safer than any other radar currently on the market and emitting less radiation than a mobile phone enable it to be mounted anywhere.

Quick Installation

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

Ethernet Connectivity

Connect to an NSS, NSE or NSO navigation system with ease.

Simrad Broadband 4G Radar Specifications:

Product Height
280 mm / 11 in
Product Weight
7.4 kg / 16 lbs (no cable)
Operating Temperature
-25° to +55°C (-13° to +130°F)
Water Resistance
+35°C (95°F) 95% RH
Waterproof Standard/rating
Antenna Horizontal Beam Width [deg]
5.2°+/-10% (-3dB width) ° (Beam width with target separation on MAX is 2.6°)
Antenna Receiver Noise Figure [dB]
Antenna Rotation Speed
24/36/48 rpm +/- 10% (mode and MFD model dependent)
Antenna Vertical Beam Width
25°+/-20% (-3dB width) °
Beam Width
Adjustable between 2.6° and 5.2° with target separation control (Simrad, B&G) , 2.6° (Lowrance)
Distance Range [nm]
Radar Wind Resistance
51 m/sec (Max:100 Knots)
Radar Warm Up Time [minutes]
Transmitter Frequency
X-band - 9.3 to 9.4Ghz
Power Consumption
20W (Typ.) @ 13.8Vdc (21W in dual range mode) Standby:2.9W
Power Supply (Supply Voltage)
9V to 31.2Vdc (12/24 Volt systems) Reverse polarity protection Minimum startup voltage 10.8vDC
Output Power [kW]
(at antenna port) 165mW nominal
High Performance Broadband Radome
Radar Antenna Width
Radar Technology
Broadband FMCW
Radar Max Range
Radar Power Requirements
12v / 20 Watt
Radar Features
MARPA, Guard Zones, InstantON, Dual Range*, High Speed*, Beam Sharpening*
*NSE and NSO only.

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