Hemisphere GNSS Vector H321

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The Hemisphere GNSS Vector H321 is an advanced heading and positioning board powered by Athena RTK firmware and the ATLAS global correction service.



If you want a flexible, scalable solution for advanced machine control and navigation operations, then Hemisphere GNSS’s Vector H321 is an advanced heading and position board not to be overlooked. This is a powerful dual-frequency, multi-GNSS board that can access the Atlas global correction service with pre-loaded Athena RTK firmware, giving you peace of mind and reliability.

By employing a dual-antenna input, the Vector H321 is also able to provide swift, accurate headings with short baselines, as well as precise RTK positioning, heave, and timing through GPS, GLONASS, and BeiDou compatibility. It also boasts strong multipath mitigation and interference rejection.


  • Compatible with GPS, GLONASS, and BeiDou
  • Fast start with quick RTK acquisition
  • Built-in Athena firmware and Atlas functionality
  • High-accuracy headings over short baselines
  • Powerful multipath and interference compensation

Technical Specifications

Channels: 744
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: -40°C to 85°C


The Vector H321 by Hemisphere GNSS is available through TransiTiva. If you would like to learn more about it, please use the Request Pricing form to get in touch with us.

Additional information


Hemisphere GNSS

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