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 | |||
| Antenna Type | Patch Array | ||
| Beam Width (nominal) | 4.9° horizontal, 25° vertical | ||
| Polarization | Horizontal | ||
| Rotation Rate | 24 rpm (nominal) | ||
| General | |||
| 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 | |
| Receiver | |||
| 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 | ||
| Transmitter | |||
| 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 | ||
