Product Documentation:


Accurate, Affordable Light Vehicle Navigation with Embedded GPS

Maintaining 100% situational awareness is vital to all military crews. Designed specifically to meet the requirements of light military vehicles, EMCORE’s TACNAV Light/GPS delivers a powerful suite of features that brings a new level of flexibility, reliability, and performance to light vehicle navigation. With EMCORE’s Moving Map Display (MMD) and the Universal Multilingual Display (UMD), the TACNAV Light/GPS offers:


  • The ability to create and store waypoints and routes, and view vehicle travel in real time
  • Intuitive easy-to-read displays of heading, position, distance, and direction to waypoint
  • Easy use thanks to the touchscreen MMD screen


Technology Details

TACNAV Moving Map Display

The rugged TACNAV Moving Map Display (MMD) offers real-time moving map technology for EMCORE’s TACNAV family of tactical navigation systems. The MMD provides an easy-to-use graphical navigation capability for military vehicles by combining available internal or external GPS/GNSS with TACNAV’s inertial or compass-guided navigation solution. Developed for demanding battlefield conditions, the MMD’s touchscreen is viewable in all lighting conditions.


TACNAV Universal Multilingual Display

EMCORE’s TACNAV Universal Multilingual Display (UMD) offers robust tactical display technology, capable of presenting navigation and other critical information in multiple languages. With its versatility and affordability, the TACNAV UMD is ideal for any military vehicle requiring a user-friendly interface for its tactical navigation system.

  • The TACNAV Moving Map Display is controlled by the Arms Export Control Act (Title 22, USC Sec 2751 et seq.) and the International Traffic in Arms Regulations, ITAR 22 CFR 120-130, and may not be exported from the United States or disclosed to a foreign person in the United States except as authorized by those regulations.
  • Features

    • Compass-based system with embedded GPS
    • Heading 2.5° RMS
    • Positioning accuracy within 5 meters CEP with valid GPS
    • Without GPS, positioning accuracy 2-3% distance traveled
    • Commander’s MMD for route, waypoint entry
    • Driver’s UMD with steer-to functionality


    • Reliable navigation of light military vehicles