Marine Radar

1st Watch Wireless Radar

Model DRS4W

Wireless, 4 kW、24 nm range, X-band, 19" radome, magnetron

The FURUNO DRS4W is the first radar antenna in the world that allows you to wirelessly access radar images on your iOS devices, combining ease of use with great flexibility. After installing and setting up the application available from the Apple store for free, you can watch radar images directly on your iPad or iPhone. You are free to move around on your boat whilst still having complete information of your surroundings.

Recreational Boats

Downloads

Features
Specifications
Equipment List
Downloads
Contact

Features

Move around and explore.

With the new 1st Watch Wireless Radar, you can do things previously impossible. You can bring the Radar display where ever you go, even put it on the iPhone in your pocket.

Get it at the 1st glance.

Plug in the Radar, set up the app from App Store and you're good to go. With familiar gestures it's a breeze to use, you can even use two iOS devices simultaneously.

Less cables, more flexibility.

Installation is simple with its compact and lightweight Radar antenna. Mount it, plug in the power cord and you're done.

A 4kW radar antenna, powerful yet compact in size.

The world's first radar that allows you to wirelessly access radar images on your iOS devices.

With image quality that matches that of a conventional 10" wired Radar, the DRS4W will impress you

Download the Marine Radar app from Apple App Store that is available for free.

Guard zone alarm available with updated Marine Radar App ver.2.0.0

Simple touch interface with familiar gestures.

Specifications

Antenna

Peak Output Power

4 kW

Type

ø488 mm Radome (19 inch)

Frequency

9410MHz±30MHz, P0N

Beam Width (Horizontal)

7.2°(3 dB)

Beam Width (Vertical)

25°(3 dB)

Range Scales

0.125 to 24 nm

Antenna Rotation Speed

24 rpm

Weight

5.7 kg

Display

Display Unit

iPad/iPad mini/iPhone (Customer supply)

Display Modes

Auto Gain, Auto STC, Rain, Auto Noise rejector, Sector blank, Off center, Cursor (measure target), Guard Zone alarm

Environment

Temperature

Temperature: -25°C to + 55°C

Waterproofing

IPX6

Power Supply

Power Supply/Consumption Current

12-24 VDC: 2.1/1.0 A

Equipment List

Standard

Antenna Unit

RSB-126

Power cable

10/15/20/30 m

Option

Radome mount

OP03-93

Downloads

DRS4W Brochure

DRS4W Brochure
(Last update: Mar 23, 2023)

Name	Last update
Operator's Manual(English)	Jan 10, 2025

Distributors of Marine Equipment

Contact a local distributor for further details.

Locate a Distributor

Specifications subject to change without notice.

Related Content

An introduction to radar principles and the typical system configurations used on board vessels.

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