Si-Tex

SI-TEX Explorer NavPro Charting System Control Unit w/Wi-Fi

Regular price $979.00 USD
Model: No GPS Antenna

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SI-TEX Explorer NavPro Charting System Control Unit with Wi-Fi - front view showing compact controller unit
$979.00 USD
No GPS Antenna
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SI-TEX Explorer NavPro Charting System Control Unit w/Wi-Fi


Description

The SI-TEX Explorer NavPro transforms virtually any standard HDMI flat panel monitor into a full-featured C-MAP electronic charting system, giving boaters a powerful and flexible two-piece navigation solution. The compact controller unit connects to most LCD displays with HDMI input, opening up unlimited mounting possibilities aboard any vessel. Featuring a waterproof trackpad and intuitive soft-key operating system, the NavPro delivers remarkably easy chart navigation without sacrificing capability. Compatible with C-MAP MAX charts and Navionics Platinum+ cartography, this system delivers some of the most detailed and current chart coverage available on the water.

Whether you're running coastal passages or exploring unfamiliar inlets, the NavPro's Guardian Grounding Alarm adds a critical layer of safety by alerting you when your course brings you too close to shallow water or underwater hazards. With NMEA-2000 and NMEA-0183 connectivity, 4GB of mark/track/waypoint storage, and optional expansion for fishfinding, radar, and GPS, the Explorer NavPro grows with your navigation needs.


Key Features

  • Turns Any HDMI Monitor into a Chartplotter: Connects to most standard LCD flat panel monitors via HDMI - no proprietary display required.
  • C-MAP MAX Compatibility: Works with C-MAP MAX Micro SD chart cards for high-detail coverage of coasts, waterways, and ports worldwide.
  • Navionics Platinum+ Compatible: Also supports optional Navionics Platinum+ cartography for even more chart choices.
  • Guardian Grounding Alarm: Programmable anti-grounding feature warns you if your current heading takes you into dangerously shallow water or near underwater obstacles.
  • Waterproof Trackpad: Smooth, weather-resistant cursor control for plotting, scrolling, panning, and menu navigation.
  • 4GB Mark, Track & Waypoint Storage: Nearly unlimited onboard storage for routes, waypoints, and track history.
  • NMEA-2000 & NMEA-0183 Ports: Full compatibility for interfacing with depth sounders, speed sensors, autopilots, and other onboard electronics.
  • Optional Wi-Fi Radar Support: Compatible with the SI-TEX MDS-12 Network Radome - a 4kW, 24-inch compact radome with up to 36-nm range that wirelessly overlays radar targets onto charts.
  • Flexible Mounting: Controller unit mounts tabletop, bulkhead, or flush - and can be positioned up to 6 feet away from the display unit. Includes trunion bracket and mounting knobs.
  • Expandable System: Add the optional ES502 Fishfinder Module to turn the NavPro into an all-in-one GPS Charting System and Fishfinder.
  • Available With or Without GPS: Choose the base unit (No GPS Antenna) or add the GPK-11 GPS/WAAS antenna for integrated position and speed data.

Model Options & Which to Choose

  • No GPS Antenna: The control unit only, without any GPS receiver. Best for boaters who already have a dedicated GPS or chartplotter onboard and want to use an existing NMEA position feed - or plan to add a GPS receiver separately later.
  • w/ GPK-11 GPS Antenna: Includes the GPK-11 50-channel GPS/WAAS antenna for fully integrated position tracking right out of the box. Ideal for installations where you want a complete, standalone charting solution with speed, course, and arrival time displayed from a single system.

Shipping

Ships free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.


What's Included

  • Explorer NavPro Charting System Control Unit
  • Trunion bracket and mounting knobs
  • GPK-11 GPS/WAAS antenna (w/ GPK-11 model only)

Why You'll Love It

The SI-TEX Explorer NavPro is built for boaters who want professional-grade electronic charting without being locked into a proprietary display. By working with virtually any HDMI monitor, it gives you the freedom to choose the screen size and placement that fits your helm layout perfectly. SI-TEX has built a reputation over decades as a trusted name in marine electronics, and the NavPro carries that tradition forward with robust construction, thoughtful safety features like the Guardian Grounding Alarm, and a user-friendly soft-key interface. The system's expandability - from optional fishfinder modules to Wi-Fi radar - means it can grow alongside your boating adventures for years to come. Whether you're a weekend cruiser or a seasoned offshore navigator, the Explorer NavPro delivers the situational awareness and reliability you need on the water.


Product Specifications

View Product Specs
Chart Compatibility C-MAP MAX Micro SD, Navionics Platinum+ (optional)
Display Connection HDMI (connects to standard LCD monitors)
GPS Options Available without GPS or with GPK-11 50-channel GPS/WAAS receiver
Data Interfaces NMEA-2000, NMEA-0183
Storage 4GB Mark, Track, and Waypoint storage
Controller-to-Display Distance Up to 6 feet
Mounting Options Tabletop, bulkhead, or flush mount
Optional Radar SI-TEX MDS-12 Wi-Fi Radome (4kW, 24-inch, 36-nm range)
Optional Fishfinder ES502 Fishfinder Module
Chart Modes North-up and Course-up (with GPS input)

Manuals & Guides


FAQ

Does the Explorer NavPro come with a display/monitor?

No - the Explorer NavPro is the control unit only. It is designed to connect to any standard HDMI LCD flat panel monitor that you already own or purchase separately. This gives you full flexibility to choose your preferred screen size and placement.

What is the difference between the "No GPS Antenna" and the "w/ GPK-11 GPS Antenna" models?

The "No GPS Antenna" model includes only the NavPro control unit, ideal for boaters who already have a GPS source onboard connected via NMEA. The "w/ GPK-11" model adds SI-TEX's 50-channel GPS/WAAS antenna, giving you fully integrated position, speed, and course data right out of the box.

What chart cards does the Explorer NavPro use?

The NavPro uses C-MAP MAX Micro SD chart cards, which provide high-detail coverage for coastal and inland waterways worldwide. It is also compatible with optional Navionics Platinum+ cartography cards.

Can I add radar or fishfinding capability?

Yes. The NavPro can be paired with the optional SI-TEX MDS-12 Wi-Fi Network Radome for wireless radar overlay directly on your charts. You can also add the optional ES502 Fishfinder Module to turn the system into an all-in-one GPS chartplotter and fishfinder.

What is the Guardian Grounding Alarm?

The Guardian Grounding Alarm is a programmable safety feature that monitors your current heading and alerts you if your course is taking you into water that is too shallow for your vessel's draft. It provides an important layer of protection against running aground near shoals, sandbars, or submerged obstacles.

Can the control unit be mounted separately from the monitor?

Yes. The NavPro controller can be mounted up to 6 feet away from the display unit, which greatly expands your installation options. It supports tabletop, bulkhead, and flush mounting, and comes with a trunion bracket and mounting knobs for easy setup.

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