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The Outback A321 smart antennas offer fast, portable, professional-level accuracy in a rugged, all-in-one enclosure. The A321 smart antennas offer versatile, portable solutions with centimeter-level accuracy powered by Hemisphere GNSS’ Eclipse™ II multifrequency GNSS receiver technology. With the Eclipse II GNSS OEM module, RTK performance is scalable. Utilize the same centimeter-level accuracy in either L1-only mode, or employ the full performance of fast RTK over long distances with L1/L2 GNSS signals. Hemisphere GPS’ exclusive SureTrack™ technology ensures your RTK rover is making use of every satellite it is tracking, even satellites not tracked at the base. Benefit from fewer RTK dropouts in congested environments, faster reacquisitions, and more robust solutions due to better cycle slip detection. SureTrack also removes concerns with mixing GNSS data from various manufacturers. Even if your base is only L1/L2 GPS, SureTrack with GLONASS at your rover delivers complete GNSS performance. The durable enclosures house the receivers, antennas, and optional radio modems, all in one package. They can be powered through various sources, making the A321 ideal for a variety of applications, where A321 can be used as a portable base station mounted on a tripod or riser, includes a full graphic display with menu selection keys, and can log data to a standard USB flash drive