The Single Frequency GNSS Antenna, SMA Connector is a high quality, dual-feed GNSS L1 external antenna.
The GIS/Survey Arm and Clamp - No Bracket is a pole mount assembly made to fit standard 1.25" diameter GIS/survey poles.
The Allegro/Archer Single Dock with Ethernet is a single slot power and communications desktop dock for your Allegro or Archer device.
The Allegro/Archer Multi Dock with Ethernet is a 4-bay power and communications desktop dock.