Septentrio AsteRx SB3 Pro
Septentrio AsteRx SB3 Pro

Septentrio AsteRx SB3 Pro

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AsteRx SB3 Pro

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Price shown on website is for the single antenna version, please contact us for the dual antenna version price

Housed multi-frequency GNSS rover receiver

  • All-in-view satellite tracking on 3 frequencies 
  • Best-in-class reliable RTK position accuracy (cm-level) 
  • Robust and compact IP68 weatherproof housing, ready for deployment
  • GNSS heading available directly from initialization, removes reliance on vehicle dynamics or magnetic sensors
  • AIM+  advanced anti-jamming technology as part of the GNSS+ Algorithm Suite  
  • LOCK+ technology allowing robust satellite tracking under heavy vibrations and shocks
  • Easy to operate with Web UI

AsteRx SB3 Pro is a multi-frequency GNSS receiver delivering centimeter-level RTK positioning in a rugged IP68 enclosure. Built to operate in the toughest environments, this receiver features the latest algorithms for extensive signal tracking even under heavy vibrations or shocks. It is ready for immediate use, with a compact housing tailored for effortless integration into machine automation applications. AsteRx SB3 Pro is available in single or dual antenna modes, for sub-degree heading & pitch or heading & roll information.

The GNSS+ Technologies - converting bad environments into good positioning

Mechanical vibrations or shocks caused by rough terrain can wreak havoc with satellite tracking. LOCK+ automatically adjusts the parameters of the AsteRx SB GPS / GNSS receiver so you never lose position.

Activity in the ionosphere is a problem for GNSS signals, from loss of RTK fix to total loss of signal lock. Having honed our skills, supporting applications in the most iono-active areas on Earth,  the result is IONO+: the most advanced protection against ionospheric disturbances to GNSS signals on any receiver.

Metal and large nearby structures can reflect GNSS signals and produce multipath. The Advanced Multipath Mitigation Technology APME+ effectively disentangles direct and reflected signals enhancing both position and measurement quality. APME+ is bias free and, in line with Septentrio’s commitment to maximum configurability, can be disabled.

Advanced Receiver Autonomous Integrity Monitoring (RAIM+) comprises fault detection mechanisms of the receiver at all the levels including the generation of measurements, quality control and navigation algorithms. Detected faulty measurements, which are typically caused by high multipath or active ionosphere, are removed from the solution. 

AIM+ anti-jamming and RF spectrum monitoring system

AIM+ offers built-in protection against intentional and unintentional jamming using a sophisticated system of sampling and mitigation mechanisms. Your high-precision GNSS receiver can automatically suppress the widest variety of interferers from simple continuous narrow-band signals to the more complex wide band and pulsed transmitters as well as lnmarsat and Iridium satellite transmissions. 

Intuitive web user interface


The AsteRx SB3 Pro includes an intuitive web user interface for easy operation and monitoring allowing you to control the receiver from any mobile device or computer. The web interface also uses easy-to-read quality indicators ideal to monitor the receiver operation during the job at hand.

Ease of operation

Wired, robust connectivity is available on the back panel. The AsteRx SB3 Pro GNSS receiver includes an USB, Serial and Ethernet  communication with the aid of robust professional ODU connectors.


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