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Septentrio AsteRx-m2 GNSS Receiver Board


The Septentrio AsteRx-m2 GNSS receiver board is robust, reliable and compact. This high-performance receiver supports multi-constellation, multi-frequency satellite tracking and is ideal for integration in UAS, handheld devices and other demanding industrial applications where power and space are at a premium.



The AsteRx-m2 GNSS receiver board is an ultra-low power design GNSS receiver which provides RTK positioning at the lowest power consumption of any comparable device providing greater usability, lower heat dissipation, simpler integrations and longer operation on a single battery charge.

The AsteRx-m2 is a robust receiver featuring AIM+, which is the most advanced on-board interference mitigation technology available. It has the ability to suppress the widest variety of interference from simple continuous narrowband signals to the most complex wideband and pulsed jammers. The RF spectrum can be viewed in real-time in both time and frequency domains.

The AsteRx-m2 GNSS receiver board comes with fully-documented interfaces, commands and data messages making it easy to integrate. It also includes RxTools software that allows receiver configuring and monitoring as well as data logging and analysis. An SDK is provided to help integrators create professional custom applications. For offline processing it is compatible with GeoTagZ Software and its SDK library for RPK (ReProcessed Kinematic).


  • All-in-view, multi-constellation, multi-frequency satellite tracking
  • RTK (base and rover)
  • PPP (TerraStar services)
  • Best-in-class reliable and scalable position accuracy
  • AIM+ anti-jamming and monitoring system
  • Ultra-compact design with industry leading low power consumption (<1 W)
  • RAIM (Receiver Autonomous Integrity Monitoring)
  • IONO+ advanced scintillation mitigation
  • APME+ a posterior multipath estimator for code and phase multipath mitigation
  • Easy to integrate

Technical Specifications

Channels: 448
GPS: L1, L2, L5
BeiDou: B1, B2
Galileo: E1, E5a, E5b, AltBOC
QZSS: L1, L2, L5
Initialization: 7 s
Velocity Accuracy: 3 cm/s
Latency: <10 ms
Cold Start: < 45 s
Warm Start: < 20 s
Re-acquisition: Avg. 1 s
Tracking: 20 dB-Hz
Acquisition: 33 dB-Hz
Weight: 28 g (0.987 oz)
Size: 47.5 mm × 70 mm × 7.6 mm
Operating Temperature: -40 °C to 85 °C
Storage Temperature: -55 °C to 85 °C
Humidity: 5-95 % non-condensing
Vibration: MIL-StD-810G
Certification: RoHS


The AsteRx-m2 GNSS receiver board from Septentrio is available through TerrisGPS. If you would like more information regarding this product, feel free to get in touch with us by completing the Request Pricing form.

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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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