Ramarine RD424D 4kW Digital Radome
The big brother of our popular 18” radome, the RD424D Digital Radome boasts a larger 24” antenna array making it a perfect choice for offshore cruisers and fishermen.
The larger antenna array provides enhanced target separation and is powered by a 4kW transmitter. The RD424D features Raymarine's exclusive low-noise front end technology and class-leading 8 pulse-width/PRF transmitter providing optimum performance at all ranges. Raymarine’s Auto GST Technology ensures you get the best possible picture by automatically eliminating clutter caused by Mother Nature’s worst storms.
Compatible with all Raymarine C-Series Widescreen, E-Series Classic, E-Series Widescreen, and G-Series Multifunction Displays.
RD424D 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.
RD424D 4KW Digital Radome Specifications
| Antenna | |||
| Antenna Type | Patch Array | ||
| Beam Width (nominal) | 3.9° 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 | 652 x 247 mm (25.67 x 9.7 in) | ||
| Weight | 10 kg (22 lbs) | ||
| Input Voltage | 12 - 24 V DC | (Supplied by connected display) | |
| 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 | ||

