Si-Tex

SI-TEX Vector Pro G1 GPS SAT Compass with 6M N2K Cable

Regular price $3,445.00 USD

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SI-TEX Vector Pro G1 GPS SAT Compass - compact all-in-one marine heading and positioning unit
$3,445.00 USD
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SI-TEX Vector Pro G1 GPS SAT Compass with 6M N2K Cable


Description

The SI-TEX Vector Pro G1 is a compact, all-in-one GPS satellite compass engineered for mariners who demand precise heading, positioning, and rate of turn data in a single maintenance-free unit. Designed for seamless integration with NMEA 2000 and NMEA 0183 networks, it connects effortlessly with autopilots, radar, AIS, and chartplotters. With better than 0.60-degree heading accuracy and DGPS sub-meter positioning, this compass delivers the kind of reliable, real-time data that serious navigators depend on.

The Vector Pro G1 features integrated gyro and tilt sensors for fast start-up times and continuous heading updates even during temporary GPS signal loss. Its 20 Hz position and heading update rates, combined with COAST technology that maintains differentially-corrected positioning for 40+ minutes after signal loss, make it one of the most resilient GPS compasses on the market. Whether you're running a commercial vessel or a high-performance recreational boat, the Vector Pro G1 is built to keep you on course.


Key Features

  • Heading Accuracy Better Than 0.60 Degrees: Delivers precise 2D heading data for reliable autopilot and radar integration.
  • NMEA 2000 and NMEA 0183 Compatible: Works with autopilots, radar, AIS, chartplotters, and other onboard electronics.
  • DGPS Sub-Meter Positioning: Differential GPS provides highly accurate geographic positioning data.
  • COAST Technology: Maintains differentially-corrected position for 40 minutes or more after loss of differential signal.
  • 20 Hz Update Rate: High-frequency position and heading updates (10 Hz standard) for fast-moving vessel applications.
  • 90-Degree Rate of Turn (ROT) Tracking: Accurately measures and reports vessel rate of turn for navigation and autopilot systems.
  • Heave, Pitch, and Roll Data: Provides full motion sensing beyond just heading for comprehensive vessel attitude reporting.
  • Integrated Gyro and Tilt Sensors: Enables fast start-up and continuous heading output during temporary GPS outages.
  • Differential Correction via SBAS: Supports WAAS, EGNOS, MSAS, and RTCM SC-104 (external source) for maximum accuracy.
  • CE Certified: Certified for EMI and RFI immunity, meeting international marine electronics standards.
  • 2-Year Warranty: Backed by a manufacturer warranty for peace of mind on the water.
  • Includes 6M N2K Cable: Ready to connect to your NMEA 2000 network right out of the box.

Shipping

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What's Included

  • SI-TEX Vector Pro G1 GPS SAT Compass unit
  • 6M NMEA 2000 (N2K) cable

Why You'll Love It

The SI-TEX Vector Pro G1 is trusted by commercial and recreational mariners who need dependable, high-accuracy navigation data without the bulk or complexity of multi-component systems. Its all-in-one design means fewer points of failure and a cleaner installation, while pre-programmed default settings get you up and running quickly. COAST technology is a standout feature that sets the Vector Pro G1 apart - you won't lose your corrected position the moment a satellite signal hiccups. SI-TEX has been a trusted name in marine electronics for decades, and the Vector Pro G1 reflects that legacy of building gear that performs when it counts. Whether you're navigating coastal waters or running offshore, this GPS compass delivers the accuracy, speed, and reliability that experienced mariners expect.


Product Specifications

View Product Specs
Heading Accuracy Better than 0.60 degrees
Position Accuracy Sub-meter (DGPS)
Update Rate 20 Hz position and heading (10 Hz standard)
Rate of Turn Tracking 90 degrees
Differential Correction SBAS (WAAS, EGNOS, MSAS) and RTCM SC-104 (External Source)
COAST Technology Maintains differentially-corrected position for 40+ minutes after signal loss
Network Compatibility NMEA 2000 and NMEA 0183
Compatible Devices Autopilots, Radar, AIS, Chartplotters
Sensors Integrated Gyro and Tilt sensors
Output Data Heading, Rate of Turn, Course Over Ground, Lat/Long, Heave, Pitch, Roll, Time and Date
BAUD Rate Multiple selections available
Certifications CE certified (EMI and RFI immunity)
Included Cable 6M NMEA 2000 (N2K) cable
Warranty 2 years

Manuals & Guides


FAQ

Is the Vector Pro G1 compatible with my existing chartplotter or autopilot?

The Vector Pro G1 is fully compatible with NMEA 2000 and NMEA 0183 networks, which are the standard protocols used by the vast majority of marine electronics manufacturers including Garmin, Furuno, Simrad, Lowrance, Raymarine, and others. As long as your autopilot, radar, AIS, or chartplotter supports one of these protocols, the Vector Pro G1 will integrate seamlessly.

What is COAST technology and why does it matter?

COAST (Continually Operating and Storing Technology) is a feature that allows the GPS compass to maintain a differentially-corrected position for 40 minutes or more even after the differential correction signal is lost. This is critical in real-world navigation where signal interruptions can occur due to terrain, atmospheric conditions, or temporary satellite geometry issues. Without COAST, your position accuracy would degrade immediately upon signal loss - with it, you stay accurate far longer.

What does the 20 Hz update rate mean in practical terms?

A 20 Hz update rate means the unit outputs heading and position data 20 times per second. For fast-moving vessels or applications requiring very responsive autopilot control, higher update rates result in smoother steering corrections and more accurate tracking. The standard 10 Hz rate is sufficient for most applications, but 20 Hz is especially beneficial for high-speed craft or precision navigation scenarios.

Does the unit require any special mounting or installation?

The Vector Pro G1 is a compact, all-in-one unit designed for straightforward installation. It connects to your NMEA 2000 network using the included 6M N2K cable. It should be mounted with a clear view of the sky for optimal GPS reception, and away from large metal obstructions where possible. Pre-programmed default settings reduce the configuration time needed to get it working with your existing electronics.

What is the difference between the Vector Pro G1 and a standard GPS receiver?

A standard GPS receiver primarily provides position (latitude/longitude) and speed data. The Vector Pro G1 is a full GPS compass, meaning it also provides highly accurate heading, rate of turn, heave, pitch, and roll data - all in a single unit. This makes it suitable as a heading sensor for autopilots and radar, a capability that a basic GPS receiver cannot reliably provide.

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