AsteRx-U3

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Multi-frequency, multi-constellation GNSS positioning and heading receiver, which includes wired and  wireless communications in a rugged IP68 housing,  for the broadest range of applications.

KEY FEATURES

* Full-constellation, triple-frequency satellite tracking on both antennas 

* Sub-degree GNSS heading & pitch or heading & roll 

* Centimetre-level (RTK) 

* Septentrio GNSS+ algorithms for reliable performance

* Integrated UHF radio, cellular modem, Bluetooth   and Wi-Fi (depending on configuration)

BENEFITS

Consistently accurate now and into the future  

The AsteRx-U3 is the most advanced integrated multiconstellation dual-antenna receiver from Septentrio. Its multifrequency engine can track signals from all Global Navigation  Satellite System (GNSS) constellations: GPS, GLONASS,  Galileo, BeiDou, NavIC and QZSS – on both antennas. This  guarantees you reliable and accurate GNSS positioning now  and into the future.

Reliable centimetre accuracy  

Septentrio’s knowledge and 20 years of experience in the  GNSS industry ensures that the AsteRx-U3 offers the highest  possible accuracy, down to the centimetre level. LOCK+  technology maintains tracking during heavy vibrations and  IONO+ ensures position accuracy even during periods of  elevated ionospheric activity. The AsteRx-U3 offers the very  latest in advanced interference mitigation technology AIM+,  which filters out ambient intentional and unintentional RF  interference.  

Any device, any platform 

Use any device with a web browser to operate the AsteRx-U3  without any special configuration software via the Web  interface, accessible over Ethernet, Wi-Fi or USB connections.

FEATURES 

 GNSS technology 

544 Hardware channels for simultaneous  tracking of most visible signals: 

„ GPS: L1 C/A, L1C1 , L2C, L2 P(Y), L5

„ GLONASS: L1 C/A, L2 C/A, L3, L2P 

„ BeiDou: B1I, B1C, B2a, B2I, B3I

„ Galileo: E1, E5a, E5b, E5 AltBOC

„ QZSS: L1 C/A, L1C1 , L2C, L5 

„ NavIC: L5

„ SBAS: EGNOS, WAAS, GAGAN, MSAS, SDCM 

Septentrio’s patented GNSS+ technologies 

„ AIM+ unique mitigation and monitoring  system against narrow and wideband  interference with spectrum analyser

„ IONO+ advanced scintillation mitigation 

„ APME+ a posteriori multipath estimator for  code and phase multipath mitigation 

„ LOCK+ superior tracking robustness under  heavy mechanical shocks or vibrations 

„ RAIM+ Receiver Autonomous Integrity Monitoring 

RTK (base and rover) 

Integrated 4-channels L-band receiver Moving base 

GNSS heading & pitch or heading & roll 

16 GB internal memory

Formats 

Septentrio Binary Format (SBF), fully  

documented with sample parsing tools 

RTCM v2x and 3x (MSM included) 

CMR 2.0 and CMR+ (CMR+ input only) 

NMEA 0183, v3.01, v4.0

UHF: Satel, Trimtalk (450S) Pacific 

Crest (GMSK, 4FSK, FST) 

Connectivity 

3 Hi-speed serial ports (RS232) 

Ethernet port (TCP/IP and UDP) 

CAN port 

High-speed USB 

1 Event marker 

xPPS output (max. 100 Hz)

Bluetooth²  (2.1 + EDR/4.0)

WiFi²  (802.11 b/g/n)

UHF²  (410-475 MHz)

Cellular modem2 : LTE CAT4 

4G LTE CAT4 (B1, B3, B5, B7, B8, B20) 

3G UMTS/HSDPA/HSUPA (850/900/1900/2100) 

2G GSM/GPRS/EDGE (850/900/1800/1900)

Certification 

IP68, RoHS, WEEE, CE, ISO 9001-2015, UKCA

1  Hardware ready 

2  Optional feature 

3  Open sky conditions 

4  RMS levels 

5  RTK fixed ambiguities

6  Baseline < 40 Km 

7  99.9%

8  Including software compensation of sawtooth effect 

9  No information available (no almanac, no  approximate position)

10 Ephemeris and approximate position known