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Raymarine RD418D 4kW Digital Radome


 The RD418D Digital Radome Radar Scanner offers the latest in power and technology from Raymarine's radar lineup. The compact 18" RD418D boasts an ultra-powerful 4kW transmitter with a maximum range of 48 nautical miles. Inside the redesigned 18" radome, a horizontal beam width of 4.9° offers improved target separation through every range scale. SeaTalkhs connectivity and Raymarine's Auto GST technology provides enhanced small target returns and eliminates clutter caused by rain and sea conditions automatically through your MFD display. 
Compatible with all Raymarine C-Series Widescreen, E-Series Classic, E-Series Widescreen, and G-Series Multifunction Displays.

RD418D Features include:

  • 4kW power output
  • 48 NM Range
  • Plug and Play compatibility with Raymarine C-Series Widescreen, E-Series and G-Series multifunction navigation displays.
  • New and improved dome housing.
  • Improved radiation pattern and bearing resolution using Propagation Enhancing Geometry.
  • Advanced microprocessor controlled transmitter receiver features 8 Pulse width/PRF settings, providing enhanced targets returns though every range scale.
  • Improved sensitivity, signal to noise ratio, and a lower overall receive noise figure.
  • Same mounting pattern as previous generation radomes.
  • Utilizes small SeaTalkhs interconnect cable for ease of installation.
RD418D 4KW Digital Radome Specifications
  Antenna Type Patch Array
  Beam Width (nominal) 4.9° 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 521 x 247 mm (20.5 x 9.7 in)
  Weight 9.5 kg (21 lbs)
  Input Voltage 12 - 24 V DC
  Power Consumption 40 W (20 W Standby)
  Waterproof IPX6
  Temperature Range -10° to +55°C
  Humidity Limit up to 95% at 35°C
  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
  0.75 100 3
  0.75 expanded 150 3
  1.5 250 3
  3 350 2
  3.00 expanded 450 1.5
  6.00 or greater 1.0 µs 740 Hz
  IF Frequenncy 60 MHz (nominal)
  Receiver Characteristic Logarithmic
  Receiver Noise Figure Less than 5 dB (including Low Noise Converter/Limiter & IF Receiver)
  Receiver Bandwidth 12/3/0.7/0.5 MHz
  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

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