Introducing an innovative new product, The Trimble Zephyr 2 Geodetic is a product of great ingenuity and brilliance. It features base station applications. This antenna is also suitable as a fixed rover antenna for use in high multi-path environments such as a marine construction barge. Some of it's key features are Optimized for GNSS base station applications, Comprehensive GNSS support, including GPS Modernization signals, GLONASS, and Galileo, Robust low-elevation satellite tracking, Large ground plane for best multi-path rejection , Sub-millimeter phase center repeatability, Ideal for fixed reference stations and GNSS infrastructure networks Etc. A product of great ingenuity and brilliance.