Requirements:
ArcGIS for Desktop 10.2 or higher
Geodatabase
Trimble Terraflex account (trial or subscription)
Terraflex Plugin installed and activated in ArcMap (download from Trimble) or Trimble Positions Desktop Add-in (10.4.0.1 or higher-actual steps may vary)
Android, iOS, Windows Mobile or W10 Device with Terraflex app installed
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