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Septentrio AsteRx SB Integrated GNSS Receiver


The AsteRx SB uses a unique blend of technologies to combine the best RTK performance and flexibility in an IP68 housing that is both compact and ruggedized.



The AsteRx SB from Septentrio is a multi-constellation, triple-frequency integrated GNSS receiver that delivers powerful performance from quad-constellation positioning for high reliability and accuracy. The design is low-power and compact, making it the ideal high-performance GNSS receiver for demanding applications where power, weight and size are at a premium.

The AsteRx leverages Septentrio’s Lock+, INON+, APME+ and AIM+ technologies.

Satellite tracking can become extremely challenging due to mechanical vibrations or shocks caused by rough terrain. You’ll never lose position as the Lock+ feature automatically adjusts the tracking loop parameters of the unit.

Activity in the ionosphere can cause loss of RTK fix to total loss of signal lock. The AsteRx SB also features IONO+, the most advanced protection of GNSS signals against ionospheric disturbances.

Large nearby structures and metal can produce multipath by reflecting GNSS signals. Direct and reflected signals are disentangled with the APME+ system, thus enhancing both measurement and position quality. APME+ is bias free and can be disabled.

Intentional and unintentional jamming are protected by AIM+ using sophisticated sampling and mitigation mechanisms. The AsteRx SB is able to suppress the widest range of interference from both simple continuous narrow-band signals to more complex wide band and pulsed transmitters. Interference from Iridium and lnmarsat satellite transmissions are also suppressed.

The AsteRx SB utilizes an intuitive web user interface for easy operation and monitoring allowing the receiver to be controlled from any computer or mobile device. The web interface also features quality indicators that enables the monitoring of receiver operation.


  • IP68 weatherproof housing
  • Quad-constellation, multi-frequency, all-in-view RTK positioning
  • AIM+ unique interference monitoring and mitigation system
  • Open interfaces for easy integration
  • Easy to operate with Web UI

Technical Specifications

Channel Information
GPS: L1, L2, L5
BeiDou: B1, B2
Galileo: E1 BC (CBOC), E5 (a, b, AltBoc)
QZSS: L1, L2, L5
Input Voltage: 4.5 to 36 VDC
Power Consumption: 1.5 W typical
Size: 102 mm x 36 mm x 111 mm
Weight: 460 g
Operating Temperature: -30 °C to +65 °C
Storage Temperature: -40 °C to +75 °C
Vibration: MIL-STD-810G, Method 514.6, Procedure I



The AsteRx SB integrated GNSS receiver from Septentrio is available through TerrisGPS. If you would like more information about this product, please 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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