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A221

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The A221™ Smart Antenna offers fast, portable, professional-level differential GPS (DGPS) accuracy in a rugged, all-in-one enclosure. Powered by Hemisphere GNSS’ powerful dual-frequency Eclipse® OEM board, it delivers *2 - 50 cm accuracy, depending on the differential source used.

  • A220/A221 GPS Firmware Loading Instructions
  • A220/A221 Mounting Hardware Update
  • A220/A221 with Microhard L400 Radio Supplemental Release Notes
  • A221 Base Station Operation Notes
  • A221 Base Station Quick Reference Guide 875-0246-000 Rev A1
  • Outback A221 Base Station User Guide
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