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Furuno DRS4W – 1st Watch Wireless Radar Antenna
Furuno DRS4W – 1st Watch Wireless Radar Antenna utilizes a flagship Wi-Fi transmission architecture for cable-free radar visualization on iOS devices. This unit provides elite situational awareness for simplified helm configurations and tenders.
- Screen: Mobile-dependent (iPad/iPhone), supports two simultaneous wireless connections.
- Technology: 4kW pulse radar, 36nm range, 19″ radome, wireless DSP.
- Connection: Integrated Wi-Fi (IEEE 802.11b/g/n), 12-24V DC power input.
- Durability: IPX6 rated, operational from -25°C to +55°C range.
- Warranty: Furuno 2-year official warranty with global service support.
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Description
Furuno DRS4W – 1st Watch Wireless Radar Antenna
Solving the complexity of radar installation on smaller vessels, the Furuno DRS4W is the world’s first wireless 4kW radar antenna. This 19-inch radome is specifically designed for American boaters on sailboats and small powerboats who want radar safety without the hassle of running data cables. For the USA captain, the DRS4W connects wirelessly to an iPad or iPhone via the “Marine Radar” app, allowing you to monitor navigation hazards and weather cells from anywhere on the boat, whether you’re at the helm or in the cabin.
The DRS4W features a 4kW power output and a 36-nautical mile range, providing professional-level detection in a consumer-friendly package. Its easy installation—requiring only a power connection—makes it the ideal solution for boaters who want to modernize their vessel with minimal effort. With its ability to support up to two iOS devices simultaneously, this wireless radar offers the American market a revolutionary and accessible tool for enhanced situational awareness and collision avoidance.
Core Technical Specifications
- Radar Type: Wireless Digital Radome.
- Power Output: 4kW.
- Connectivity: Integrated Wi-Fi (Connects to iPad/iPhone).
- Range: 36 Nautical Miles.
- Device Support: Up to 2 iOS devices simultaneously.
- App: “Marine Radar” available on App Store.
- Antenna Size: 19-Inch Dome.
- Voltage: 12-24V DC.
FURUNO DRS4W - 1st Watch Wireless Radar Antenna Technical Specifications
| Radar Type | Wireless Magnetron Radar |
| Antenna Type | Radome (iOS Compatible) |
| Antenna Size | 19-Inch |
| Peak Power Output | 4kW |
| Maximum Range | 36 Nautical Miles |
| Horizontal Beamwidth | 7.2° |
| Vertical Beamwidth | 25° |
| Rotation Speed | 24 RPM |
| Pulse Width | 0.08 to 0.8 μs |
| Target Tracking (MARPA/ARPA) | No |
| Doppler Technology | No |
| Dual Range Support | No |
| Minimum Range | 25 meters |
| Receiver Noise Figure | 10 dB |
| Operating Voltage | 12V / 24V DC |
| Power Consumption (Operating) | 24 Watts |
| Power Consumption (Standby) | 10 Watts |
| Data Connectivity | Wi-Fi (Connects to iPad/iPhone) |
| Waterproof Rating | IPX6 |
| Wind Velocity Rating | 70 Knots |
| Weight | 5.7 kg (12.5 lbs) |
| Warranty | 2 Years |
Common Questions for Furuno DRS4W
The DRS4W is designed for efficiency, requiring a 12V DC source that meets minimum marine cranking amps for standard navigation electronics. The Furuno DRS4W Radar lacks a gallons per hour rate, making it an ideal low-draw solution for sailors who want radar safety without heavy battery banks.
A small sailboat or coastal cruiser is the optimal boat hull application for this lightweight, cable-free 19-inch radome. The Furuno 1st Watch system connects wirelessly to your iOS device, making the Furuno DRS4W Wireless Antenna the most convenient choice for vessels with difficult wiring paths through the mast.
Ensure that your boat's sacrificial aluminum anode locations are properly maintained to protect all networked marine electronics from stray current damage. For the Furuno DRS4W 1st Watch, simply cleaning the outer dome from salt spray ensures the Wi-Fi signal remains strong when transmitting to your tablet.
Utilizing Genuine Furuno Parts for the power cable and mounting bolts ensures the unit remains waterproof and securely fastened. The Furuno DRS4W Antenna requires a steady voltage to maintain its 4kW power output, ensuring you receive a clear and consistent radar image on your iPad or iPhone.
This compact radome is a completely solid-state device and does not have an FC-W engine oil capacity or any user-serviceable gears. The Furuno 1st Watch Wireless Radar is built for durability and zero maintenance, allowing you to focus on your voyage rather than mechanical upkeep or internal lubrication.
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