Furuno DRS4W Firstwatch WiFi radar dome delivers a high-power 4 kW radar with wireless display support for iOS devices, giving mariners radar visibility anywhere on the vessel.
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Peak Power: 4 kW peak power radar antenna for robust target detection across ranges.
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Wireless Display: First radar with Wireless LAN accessible from iOS devices; supports simultaneous connections on up to 2 devices.
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Untethered Display: Monitor and control radar from your iPhone or iPad anywhere on the boat.
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Easy Setup: Plug in the radar, download the free app from the App Store, and start viewing with familiar gestures.
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Single Power Connection: Simple installation with a single power connection; power/signal cable not included and must be ordered separately.
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Two-Device Support: Up to two iOS devices can connect simultaneously.
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Range & Rotation: Range scales from 0.125 to 24 nautical miles with 24 RPM rotation for near real-time updates.
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Frequency & Beam: Operating frequency 9410 ± 30 MHz; beam width 7.2° horizontal and 25° vertical.
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Wind Resilience: Designed to withstand up to 70 knots wind load.
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Connectivity: 2.4 GHz communication frequency for wireless operation.
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Modes: Full Screen, Day/Night, Gain Auto, STD Auto, Rain, Auto Noise Rejector, Off Center.
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Electrical & Dimensions: Input Voltage 12–24 V DC; Dimensions 19.2 inches diameter x 8.7 inches high.
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In the Box: Includes RSB-126 Antenna Unit.
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Energy Efficiency: Consumes about 24 watts, suitable for boats with power constraints.
The DRS4W Firstwatch WiFi radar enables flexible, cable-free radar visibility via WiFi to iOS devices, so you can roam the vessel while staying aware of your surroundings. With support for two devices at once, an expansive 0.125–24 nm range, and a straightforward setup—mount the antenna, apply power, install the App Store app, and pair using intuitive gestures—you’ll have a reliable radar view on deck or in the cabin without cluttering your vessel with extra cables.
Peak Power Output| 4 kW |
| Frequency |
9410 +/- 30MHz |
| Beam Width |
7.2 deg Horizontal
_x000D_
25 deg Verticle |
| Ranfge Scales |
0.125 - 24 nm |
| Rotation Speed |
24 RPM |
| Wind Load |
Relative Wind 70 kn |
| Number of connectable IOS Devices |
2 Units |
| Communication Frequency |
2.4 GHz |
| Modes |
Full Screen, Day/Night, Gain ( Auto), STD (Auto), Rain, Auto Noise rejector, Off Center |
| Input Voltage |
12-24VDC 2.1 - 1A Max |
| Dimensions |
19.2 Dia x 8.7 in H |
