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Septentrio AsteRx-m UAS

The AsteRx-m UAS from Septentrio has reached End of Life (EOL) and is being replaced by the AsteRx-m2 UAS.



If you’re looking for a lightweight, energy-efficient RTK receiver for unmanned aerial applications, then the Septentrio AsteRx-m UAS is the receiver for you. It could fit in your wallet, and seldom consumes more than 700mW of energy, yet provides incredibly accurate results—accurate at the centimeter level for both GPS and GLONASS. Using Septentrio’s GeoTagz software, you can achieve real-time kinematic accuracy without a real-time datalink.

The Septentrio AsteRx-m UAS also includes features to compensate for heavy vibrations and challenging ionospheric conditions, and all the standard connectors for autopilot interfacing with either Pixhawk or ArduPilot systems. For a small-yet-powerful RTK receiver for drone applications, the Septentrio AsteRx-m UAS is the obvious choice.


  • Supports GPS (L1, L2), GLONASS (L1, L2), as well as SBAS (EGNOS, WAAS, GAGAN, MSAS, SDCM)
  • RTK position accuracy within centimetres
  • Energy-efficient
  • Designed with GReCo3 GNSS chipset and GeoTagZ software
  • Camera shutter synchronization
  • Autopilot compatibility with PixHawk and ArduPilot interfaces

Technical Specifications

GNSS channels: GPS and GLONASS
Size (L x W): 47.5 mm x 70 mm
Weight: ≤50 g
Autopilot Interface: Pixhawk or ArduPilot
Operating temperature: -40°C to 85°C


The Septentrio AsteRx-m UAS is available through TerrisGPS. If you would like to learn more about it, please use the Request Pricing form to get in touch with us.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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