Description GLONASS Overview The top of the range TrimbleZephyr¢ external GNSS antenna contains advanced technology for multipath reduction, outstanding low elevation satellite tracking, and sub-millimeter phase center stability. The Trimble Zephyr 2, Zephyr 2 Rugged and Zephyr 2 Geodetic antennas offer full support for current and near-future GNSS signals. Combined with its rugged durability, the Trimble Zephyr 2 antenna will be a long term investment. Technical Specifications Dimensions : â?? Zephyr 2: 16.5 cm diameter x 7.6 cm height (6.5â?? diameter x 3â?? height) Weight : Zephyr 2: 0.64 kg (1.4 lb) Attachment Method : 5/8â?? â?? 11 Female Threaded Stainless Steel Mount Point Connector Type : TNC Female Voltage : 3.5 V DC to 20 V DC Key Features Comprehensive GNSS support, including GPS Modernization signals, GLONASS, BeiDou and Galileo Robust low-elevation satellite tracking Minimized multipath Sub-millimeter phase center repeatability Ideal for fixed reference stations and GNSS infrastructure networks