Simrad® 000-11470-001 - HALO™-4 25W 4' Pulse Compression Open Array Radar

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Product Details

HALO™-4 25W 4' Pulse Compression Open Array Radar (000-11470-001) by Simrad®. Combining the best characteristics of traditional pulse and FMCW broadband radar systems, the Halo Radar uses Pulse Compression technology to provide an unprecedented mix of long and short detection range, high target definition, and minimal clutter. Solid State technology means minimal warm-up time and maximum ocean-going reliability, while low-power pulsed transmissions make Halo Radar safe to run in anchorages and marinas.



Product Height: 448mm
Product Weight: Unpacked System: 27.6 kg/60.8 lb; Pedestal:18.75 kg/41.5 lb; Antenna 4: 4.9 kg/10.8 lb; RI-12: 1.6 kg/3.5 lb; 20m (33ft) Cable: 2.3 kg/5.0 lb
Operating Temperature: -25° to +55°C
Water Resistance: IPX6
Humidity: +40°C, 93% RH
Specified Standards: FCC ID: RAYHALOIC: 4697A-HALOEmissions compliant to SM1541-4 (including -40dB/dec future design objectives)
Waterproof Standard/rating: IEC60945-4
: Ethernet 10/100 BaseT, NMEA2000/NMEA0183
Antenna Horizontal Beam Width [deg]: 1.8 ; (-3dB width), 1.6/1.4/1.2 with Beam Sharpening mode enabled (Low/Med/High)1.2 ; (-3dB width), 1.1/0.9/0.8 with Beam Sharpening mode enabled (Low/Med/High)
Antenna Receiver Noise Figure: 5 dB
Antenna Rotation Speed: Approx. 24-48RPM (min 20RPM at 70 knots)
Antenna Type: Circulator and Isolator; Radar Mixer: MIC front-end
Antenna Vertical Beam Width: 25 +20% (-3dB width)
RadarVibration: 2-100Hz and 20G, 100,000 cycles
Power Consumption: 150W (peak in 70kt winds), 40W (average with zero wind velocity), 6.5W (standby)
Power Supply (Supply Voltage): 10.8V 31.2V DC (12/24 Volt DC systems)
Pulse Length / PRF: Pulse length: 0.04sec; CHIRP length: 2-96sec; CHIRP Bandwidth: 2-32MHz; Up to 1 pulse and 5 CHIRPs in a burst with burst repetition rate of 500-2000Hz. Range and mode dependent. Effective Pulse Compression Ratio less than 150 in all modes
Other Features: Automatic Harbour, Offshore, Weather and BIRD modes, Custom manual mode, MARPA, Dual Range, InstantON, Low power draw, Low electromagnetic emission
Cable Length: 20m (65ft). Optional 10m (33ft) cable
Radar Technology: Solid-state X-Band transceiver with Pulse Compression technology
Radar Max Range: 100m / 300ft to 64nm
Radar Features: Peak Power Output: 25W ; under any transmit condition (up to ; duty cycle max)Radiation Safe Distance: 100W/m2(Occupational) at 0m - touch anywhere; 10W m2(Public) measured at .28m/.92ft. FCC CFR47 Part 2.1091 calculated public safe distance is 0.80m/2.6ft. (less than the swing circle of the antenna with either method).


  • True 64nm range with 4-foot open array antenna
  • Beam Sharpening for enhanced target separation
  • Simultaneous Dual Range operation
  • Dedicated Harbour, Offshore, Weather, and Bird modes
  • High-speed 48 RPM operation for rapid updates
  • Ready instantly from standby, and in 16-25 seconds from power-on
  • MARPA target tracking (up to 10 targets, 20 in dual range)
  • Optional VelocityTrack™ Doppler upgrade for collision avoidance

See Near and Far, Simultaneously
Monitor two distance ranges simultaneously in Dual Range mode, and take full advantage of Halo radar to keep an eye on faraway weather cells while monitoring channel markers and high speed watercraft up close. Pulse Compression technology means no compromises in detection at either range. Advanced digital signal processing helps to eliminate sea clutter, while Beam Sharpening technology provides enhanced separation between small or distant targets.

Safety, Weather, and Bird-Finder Radar
Halo radar delivers a comprehensive range of features to enhance your situational awareness and on-water safety. Monitor selected collision hazards with MARPA target tracking, or automatically highlight all approaching targets with the optional VelocityTrack™ Doppler motion-tracking upgrade. Keep watch on distant storm cells in Weather mode, your own real-time meteorological service. Halo radar also works as a powerful bird-finder, a must-have tool for sportfishing enthusiasts and pro anglers. Halo radar’s smart Weather and Bird modes require no manual tuning, just set the mode and go.

Ready in an Instant
Collision hazards won’t wait for your radar to start up – why should you? Halo radar’s solid-state technology is ready instantly from standby, and in just 16-25 seconds from a cold start. Avoid the 2-3 minute warm-up time associated with traditional pulse radar and trust Halo Radar to produce an immediate, accurate radar image when you need it. Halo radar’s low-power pulsed transmissions make it safe to run in anchorages and marinas, providing additional coverage in these high-collision-risk environments. Fast operation provides frequent position updates, while an advanced brushless motor and helical geartrain ensure quiet operation.

Simrad`s® range covers recreational vessels of all sizes, from small runabouts and Sportfishing vessels up to luxury cruisers and superyachts. The Simrad`s Professional series offers equipment for search and rescue/patrol boats, work boats, commercial fishing boats, passenger vessels, super yachts and short sea/cargo vessels.

Out on the water, the gear you run could make all the difference between uncertainty and confidence. With Simrad`s strong commitments to quality and reliability, as evidenced by our broad portfolio of industry awards, Simrad will get you there like no one else. In addition to delivering equipment you can rely on, they’re also committed to delivering the most forward-thinking and practically-designed equipment on the market.

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Warranty Information


Simrad warrants that its products, when properly installed and used, will be free from defects in material and workmanship for the period stated for the applicable product and/or peripheral device as set out below from the date of first purchase (the Warranty Period).

  • AIS Systems - 2 years
  • Autopilot Systems - 2 years
  • Displays - 2 years
  • ECDIS/ECS Products - 2 years
  • Fishfinders - 2 years
  • Gyro Systems - 2 years
  • HS60 GPS Compass - 1 year
  • IMO GPS Products - 1 year
  • Instruments - 2 years
  • Radars - 2 years
  • Safety Devices (EPIRBs, SARTs) - 2 years
  • VHF Radios - 2 years
  • Cameras - 2 years

For the purpose of this Warranty, ’date of first purchase’ means the date the product was purchased by the first retail customer; or in the case of a product installed on a new vessel by a Certified/Approved Simrad Boat Builder, the date the first retail customer took delivery of the vessel.

Simrad will, at its sole discretion, repair or replace with new or refurbished parts or product, or equivalent product, any proven defective products or components returned to Simrad, or its approved agent during the Warranty Period in accordance with the terms, conditions and limitations as set out in the Simrad Warranty Policy. Such repairs or replacements will be the sole remedy of the customer under this Warranty.

OBTAINING WARRANTY SUPPORT: Customers can obtain warranty support by contacting their local Simrad Certified/Approved Dealer or Distributor

PRODUCT REGISTRATION: Customers are encouraged to register their product purchases online.

ON BOARD SUPPORT: Simrad offers On Board Support for qualifying products in accordance with the terms, conditions and limitations as set out in the Simrad Warranty Policy.

ONLINE AUCTIONS: Authorized dealers do not sell new products directly in online auctions. Purchases made through an online auction are on a "buyer beware" basis. Online auction confirmations or sales receipts are not accepted for warranty verification and missing components from any package purchased through an online auction will not be replaced.

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Easy Returns Quick & Hassle Free

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