Check the listing for details. "Trimble Zephyr GA530 GPS/GNSS Antenna: Precision Navigation Solutions". Condition: Open box. Listed at 1450.00 USD. "The Trimble GA530 is a state-of-the-art GPS/GNSS antenna offering L1, L2, OmniSTAR, SBAS, and Beacon capabilities, ideal for precision location applications. Designed for both rover and moving base configurations, it seamlessly integrates with the Zephyr 2 antenna for enhanced performance. With support for MSK Beacon signals, it caters to marine and construction sectors, ensuring accuracy standards are met. Furthermore, it enables the utilization of free corrections via MSK beacons and SBAS units, optimizing operational efficiency." Specifications: A rugged design suitable for land and marine applications. Weight: 820g Size: 14.9cm (D) x 9.8cm (H) Mount: ⅝’’ – 11 thread mount or 3 x M8 threaded surface mount Comprehensive GNSS support: Offers support for GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS, SBAS, MSS and MSK beacon support for marine applications