Hemisphere Vector™ H321 GNSS Compass Board

With advanced positioning and heading with Athena RTK and Atlas, the Hemisphere Vector H321 GNSS Compass Board is a sophisticated navigation solution for complex and dynamic environments.

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Ideal for complex navigation applications where machine control is required, the Hemisphere Vector™
H321 GNSS Compass Board offers fast and accurate headings over short baselines using dual antennas, precision RTK positioning and heave, and more. It can receive GPS, GLONASS, and BeiDou RTK signals, and features exceptional compensation for multipath and other interference.


  • Supports L1/L2 GPS, GLONASS, and BeiDou RTK
  • Atlas L-band capable to 8 cm 95% of the time
  • Fast start with reacquisition times
  • Built-in Athena firmware and Atlas functionality
  • Excellent coasting performance
  • Powerful multipath mitigation and interference rejection

Technical Specifications

Channels: 744
Signals Received: GPS, GLONASS, and BeiDou
Sensitivity: -142 dBm
Size (L x W x H): 152 mm x 71 mm x 16 mm
Weight: 105 g
Antenna Connector: MCX, female, straight
Operating temperature: -40C to +85C (-40F to +185F)