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Raymarine RD424HD HD Digital Radome Scanner
Radar Dome Only - Display Sold Separately

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Raymarine RD424HD HD Digital Radome Scanner

  • Dimensions: 24" Dia., Beam Width: 3.9° Horizontal, 25° Vertical
  • Transmitter: 4 kW, Maximum Range: 48 NM
  • Compatible with c-Series, all e-Series and g-Series Displays
  • Item #: 
    Model #: 


    Shipping Weight: 
    56.36 Lbs.
    Our Price:
    Status:  null In Stock

    Quantity : 
    Upgrade your Electronics and Save up to $1500!

    Shipping weight reflects calculated Dimensional Weight and is not actual product weight - see here for details.

    Digital Radar Dome Cable is sold separately.

    Raymarine's RD424HD Digital Radome Scanner combines the power and clarity of HD Digital signal processing with an ultra-compact scanner suitable for all types of vessels. Compatible with C-Series Widescreen, E-Series Classic, G-Series Multifunction Displays and the New e-Series and c-Series. This radome offers a 256-color radar display and the clearest, most lifelike radome presentation available from any radome scanner.

    The RD424HD features the same adaptive digital receiver technology found in Raymarine's open array antennas. By adjusting automatically to changing environmental and sea conditions, the HD Digital radomes provide crisp, accurate contact echoes at short ranges, as well as outstanding long range performance up to 48 nautical miles.


    • Adaptive digital receiver automatically adjusts to changing environmental and sea conditions for a dramatically clearer picture
    • Fast digital receiver processor
    • 256 color multi-level target display with selectable color palettes
    • New Bird Mode automatically optimizes the receiver for detecting sea birds above schools of fish*
    • New High Speed Mode (48 RPM) automatically engages for optimal tracking of high speed targets at short ranges
    • Dual-range mode allow you to monitor both long and short ranges simultaneously with a single scanner and display

    *Bird Mode currently available with E-Series Widescreens MFD's only.



    Antenna Type Patch Array
    Beam Width (nominal) 3.9° horizontal, 25° vertical
    Polarization Horizontal
    Rotation Rate 24 rpm (nominal)


    CE Approval Conforms to 1999/5/EC
    FCC Approval Conforms to 47CFR Part 2 and Part 80
    Dimensions 652 x 247 mm (25.67 x 9.7 in)
    Weight 10 kg (22 lbs)
    Input Voltage 12 - 24 V DC
    Power Consumption 60 W (25 W Standby)
    Waterproof IPX6
    Temperature Range 14° to 131°F
    Humidity Limit up to 95% at 95°F
    Maximim operating wind speed 100 kts.
    Maximum range Scale 48 nm

    Pulse Length/PRF

    Range (nm) Pulse Length (ns) PRF (kHz)
    0.25 or less 75 3
    0.5 100 3
    0.75 150 3
    0.50 expanded 200 3
    1.5 330x 2
    3 430x 1.5
    1.50 expanded 520 1.3
    6.00 or greater 900 820 Hz


    IF Frequenncy 70 MHz (nominal)
    Receiver Characteristic Linear
    Receiver Noise Figure Less than 5 dB (including Low Noise Converter/Limiter & IF Receiver)
    Receiver Bandwidth Matched digital filter for each pulse length


    Transmitting Frequency 9405 +/– 25 MHz
    Peak Power Output 4.0 kW (nominal)
    Transmitter Solid-state modulator driving Magnetron
    Standby Mode Magnetron heater and control left on, all other services off
    Duplexer Circulator

    Note: Radome requires a cable, Crossover coupler and High Speed Network Cable for connection


    Raymarine Digital Radar Dome Cable
    Item #: 257600
  • Length: 5 Meters
  •  Include
    Model #:
    Raymarine Digital Radar Dome Cable
    Item #: 257601
  • Length: 10 Meters
  •  Include
    Model #:
    Raymarine Digital Radar Dome Cable
    Item #: 257602
  • Length: 15 Meters
  •  Include
    Model #:
    Raymarine SeaTalk hs Network Cable
    Item #: 255443
  • Length: 1.5 Meters
  • For e-Series networking
  • Seatalkhs To RJ45
  •  Include
    Model #:
    Raymarine SeaTalk hs Crossover Coupler
    Item #: 255452
  • For connecting two devices
  • RJ45 To RJ45, Requires two cables
  •  Include
    Model #:

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