The Trimble® NAV-500™ guidance controller pairs with all GFX series displays. It is especially suited to the GFX-350 display to create a professional level system at a price usually associated with the entry-level market. With the NAV-500 guidance controller, you get:
Compatibility with five (5) satellite constellations: GPS, GLONASS, BeiDou, QZSS, and Galileo