Zeus3 12 with HALO20+ Radar Antenna & 20m Radar Cable

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Zeus3 12"

Multifunction display with touchscreen & keypad

The B&G Zeus3 chartplotter not only features a slim design, but also a wide range of award-winning sailing features. Use the B&G Zeus3 as a chart plotter with a range of intuitive functions. Display a variety of information such as tank levels, AIS, depth and speed data via the NMEA2000 interface. Thanks to Forwardscan® compatibility (transducer optionally available), always know what to expect.

The ultra-bright, wide-angle display combines an all-weather touch screen, rotary control and keypad. This makes operation simple and precise in every situation, whether below or on deck. Use the integrated WiFi for display mirroring and B&G online services

Complete chartplotter (supports Navionics & C-MAP)
Forwardscan® support


Chartplotters of size 12" and larger are often integrated into an existing navigation panel, therefore the B&G Zeus3 12" and 16" do not include bracket mounts. These can be ordered separately.

Chartplotter with sailing functions

ZEUS nautical charts

Fully featured chartplotter
The integrated 10 Hz GPS receiver and multi-touch display with the latest pinch-to-zoom technology make the 5" display a fully functional chart plotter. Take advantage of Navionics+ and C-MAP MAX-N+ nautical chart support and choose from a variety of sailing areas.

Award-winning sailing features
Experience the highly acclaimed B&G Sailing/Cruising features such as SailSteer™, SailTime™, Laylines, Windplot and enhanced display of sailing instruments with the B&G Zeus3. These functions not only boost your performance in regattas, but also allow you to enjoy a relaxed afternoon cruise.
To take full advantage of the B&G sailing functions we recommend the B&G WS310 or WS320 (wireless) wind sensor. This can be easily connected to the B&G Zeus3 via the NMEA2000 network and gives you the exact wind direction and speed.


On the easy-to-read Sailsteer™ display, cruicial sailing parameters such as wind information, speed, tide, course, course over ground, layline and waypoints can be displayed directly.

This gives you the information you need at your fingertips.


Current course and laylines are overlaid on your chart, giving you an excellent overview. The B&G Layline function lets you see which way is best and ensure you tack in the right place to help you get to windward as efficiently as possible. Laylines takes into account tide and wind changes to plot the fastest course to the next waypoint. To use Laylines we recommend a B&G wind sensor.


Plan your regatta or your next journey effectively. SailingTime™ keeps you up to date and always lets you know how long it will take to get to a waypoint. It calculates the time you’ll spend on each tack, taking into account wind and tidal effects. This gives you an accurate ETA at your destination.


Be on the line as the gun goes with RacePanel. Such important regatta functions only pro navigators have enjoyed, until now. With time, distance and position data, the B&G RacePanel helps you get off to a perfect start in the regatta, all on a single display.

Integrated Go-Free WiFi

Thanks to integrated WLAN, the B&G Zeus3 gives you direct access to GoFree cloud services, including wireless chart downloads, software updates and more.

Whether connected to your home Wi-Fi with your boat trailered in the driveway, logged in to your marina’s Wi-Fi, or tethered to your smartphone out on the lake, you can access GoFree cloud services anywhere you have an internet connection.

On the water, GoFree connects the B&G Zeus3 to your mobile devices, mirroring your display’s screen on your smartphone or giving you full remote control from your tablet with the free GoFree Controller app.

  • Control your B&G Zeus3 directly from your iPad or Android tablet
  • Mirror your screen with a compatible smartphone
  • The integrated WiFi module allows easy access to the GoFree™ shop:
    • Get automatic updates for your B&G Zeus3
    • Download the latest Insight Genesis™ charts
    • Enhance your sailing experience with a variety of apps

Connection options



Full NMEA2000 connectivity

With the B&G Zeus3 you will always keep an eye on important data. With its clear and configurable instrument screen, you can organise data that is important to you and have access to updated values in every situation.

Depending on the transducers available in the NMEA2000 network, you can display the following data:

  • Tank contents
  • Depth & temperature data
  • Speed through water (Speed) and speed over ground (SOG)
  • Environmental parameters
  • Position & navigation data
  • Compass / heading data
  • AIS data
  • Dynamic motor parameters

Simple integration into existing systems
Already have a chartplotter on board? Regardless of whether you use Raymarine, Simrad or Garmin devices, the B&G Zeus3's NMEA2000 interface makes it extremely easy to integrate seamlessly into existing systems.

The B&G Zeus3 is the perfect addition to your current setup. Use the B&G Zeus3 as a control unit for your Simrad, Lowrance or B&G autopilot.
Take advantage of the wide range of possible applications, which are made possible by integrated NMEA2000 interface as well as the space-saving installation dimensions.

System example - Autopilot control unit
The B&G Zeus3 makes a perfect control unit for your Simrad, Lowrance or B&G autopilot. Use the full operating possibilities of an autopilot display in combination with the navigation capabilities of a similarly fully functional chart plotter. With the B&G Zeus3 you will have a powerful combination.


Latest radar technology

The B&G Zeus3 series is compatible with the latest VelocityTrack™ Doppler radar technology of the HALO20+ and HALO24 radar antennas. Take advantage of colour-coded echoes to quickly identify incoming and outgoing targets. You can of course use conventional HALO20 and 3G and 4G broadband radar antennas with the B&G Zeus3.
HALO radar antennas are connected via the ethernet port of the B&G Zeus3.


ForwardScan­® support


Know what's in front of you!
In combination with the optional Navico ForwardScan® transducer, the B&G Zeus3 provides a 2D sonar image of the seabed in front of your boat. In shallow, unknown or poorly mapped waters, the ForwardScan® function helps you avoid running aground. It is also a very useful tool in the search for a safe anchorage.



  1. Ethernet
    For example to connect a radar antenna, a second B&G Zeus3 or a network switch NEP-2 (item: 81520)
  2. Ethernet
  3. HDMI
    An external monitor can be connected here.
  4. Video/NMEA0183
    Connection optional video/data cable (item: 17409).
    2x composite video input (chinch)
    1x NMEA0183 port (input & output)
  5. NMEA2000 (Micro-C)
    Connect to the NMEA2000 network via Micro-C connector.
  6. Power connection
    Connect the supplied 4-pin power cable.
    +/- 12V power supply
    Current control wire (ignition)
    Alarm wire
  7. Sonar port
    Single CHIRP, 50/200kHz conventional or HDI transducer
  8. Sonar 2 port
    Total scan, Active Imaging or Forward Scan transducer

Technical data

Dimensions 352 x 225 x 98 mm, with bracket: 377 x 241 x 120 mm
Weight: 3.1 kg
Operating temperature -15 °C to +55 °C
Storage temperature -20 °C to +60 °C
Waterproof to IPX6 and 7
Operating Voltage 10 - 31.2 V DC
Recommended fuse 5 A
Power consumption 30 W
Display resolution 800 x 1280 px
Display brightness 1200 nits
Display viewing angle 80° top/bottom, 80° left/right
Ethernet 2x ethernet ports
Bluetooth Integrated
NMEA2000 1x NMEA2000 microC
NMEA0183 1x input, 1x output (with optional data cable SVB no: 17409)
Video input 2x composite connection with RCA socket
WiFi Integrated
Sonar connection Yes, 40-250 kHz, 455-800 kHz
GPS Integrated, 10 Hz, 34 channels
External storage 2x microSD slot, max. card size: 32 GB
Internal storage 16 GB
Waypoints, routes and tracks 6000 waypoints, 500 routes with max.
100 route points, 50 tracks with up to 12,000 track points
Languages English, Danish, German, Spanish, Finnish, French,
Greek, Italian, Dutch, Norwegian, Portuguese, Swedish
Further features Radar, sonar, weather, AIS, autopilot integration, multimedia (SonicHub, FusionLink, Sirius)
Included Zeus3 12" display, installation frame, sun cover, 2 m power cable

Chart module:

C-Card MAX orange
C-Card NT+ black

Compatible with the following charts:

C-MAP MAX-N C-MAP MAX-N+ C-MAP MAX-N+ Continental Navionics+ Navionics Platinum+

Chart features:

Chart system Vector maps Grid/paper charts Easy/Autorouting Tides Satellite images High-resolution depth lines
C-MAP MAX-N+ Continental
Navionics Platinum+
B&G's HALO20+ Pulse Compression Radar uses innovative VelocityTrack Doppler technology to instantly identify hazards at short and long range. Thanks to its unbeatable rotation of up to 60 rpm, the 20" radar antenna offers a near real-time view and gives you the ultimate in collision avoidance.

The ultimate view for collision avoidance
Thanks to its maximum rotational speed of up to 60 rpm, the HALO20 radar antenna delivers a full 360° scan every second. Thanks to these near real-time updates, you get the ultimate view and can quickly and proactively avoid potential collisions. In addition, the Halo Radar provides crystal clear images that make navigation easier even in poor visibility and densely populated waterways.

VelocityTrack ™ Doppler technology integrated
Improve situational awareness and reduce the risk of collision thanks to VelocityTrack Doppler technology! The technology gives you immediate visual feedback on whether targets are approaching or moving away. You no longer need to select individual targets manually. The Doppler effect immediately checks every target detected by your radar automatically. Potential dangers are accordingly marked in colour.

Main features at a glance
  • 36 nm range
  • Compact 20" dome with integrated LED lights
  • Advanced pulse compression technology with beam sharpening
  • Dual range operation detects dangers both near and far
  • Ultra-fast 60 rpm operation at ranges of up to 2 nm
  • VelocityTrack ™ Doppler technology gives optimum collision avoidance
  • Easy to use with harbour, offshore, weather and bird modes
  • MARPA target tracking (up to 10 targets, 20 in dual range).
  • Can be used instantly from standby
  • Delivery includes 20 m radar cable and 1.5 m RJ45 to Ethernet adapter cable

Compatible with
HDS Gen3 GO9/12 XSE Vulcan R
HDS Carbon GO7 XSR Zeus²
HDS Live NSS evo2 Zeus³
NSS evo3 Zeus² GH
NSO evo2 Zeus³ GH
NSO evo3

Pulse compression radars in comparison
HALO 20 HALO 20+ HALO 24
Max. range 24 nm 36 nm 48 nm
Rotation 24 rpm 20-60 rpm 20-60 rpm
DualRange No Yes Yes
Velocity Track (target colouring) No Yes Yes
Beam Sharpening No Yes Yes
Sector Blanking Yes Yes Yes
LED lighting No Yes Yes
MARPA targets Yes 10 Yes (20) Yes (20)

Technical data
Voltage 9 - 31.2 V DC
Power consumption 17 - 29 W @ 13,8 V
Power consumption (standby) 3.9 W
Temperature range -25 to +55 °C
Waterproof IPX6
Dimensions Ø 510 mm x H 223 mm
Max. relative wind speed 51 m/sec (100 knots)
range 100 m to 36 nm
Min. range 6 m
Rotation 20 - 60 rpm
Peak transmitter power 25 W
Repetition frequency 700 - 2400 Hz
Bandwidth Max. 48 MHz
Data cable Ethernet
Max. length of the data cable 30 m


en-flag Manual
PDF, 11,21 MB
en-flag Manual
PDF, 6,46 MB
en-flag Manual
PDF, 3,28 MB
multi-flag Drawing
PDF, 2,68 MB
de-flag Manual
PDF, 13,83 MB
de-flag Manual
PDF, 6,59 MB
de-flag Manual
PDF, 3,29 MB
de-flag Test
PDF, 5,43 MB
es-flag Manual
PDF, 13,88 MB
es-flag Manual
PDF, 6,63 MB
es-flag Manual
PDF, 3,28 MB
fr-flag Manual
PDF, 24,82 MB
fr-flag Manual
PDF, 11,26 MB
fr-flag Manual
PDF, 3,29 MB
fr-flag Short manual
PDF, 3,47 MB
it-flag Manual
PDF, 14,09 MB
it-flag Manual
PDF, 6,60 MB
it-flag Manual
PDF, 3,28 MB
it-flag Short manual
PDF, 3,50 MB
nl-flag Short manual
PDF, 3,55 MB

What other SVB customers have to say

100% real reviews
Tommi L.
Flag of Finlande Verified purchase
Very good price and fast delivery. Havent installed or tried these yet but for the price should be an excellent deal.
Heinrich  K.
Flag of Allemagne Verified purchase
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The product must first be installed


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