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Leo Store - Hemisphere GNSS - A631 GNSS Smart Antenna 1

A631 GNSS Smart Antenna

Multi-Frequency GNSS Smart Antenna with Scalable Accuracy

 

Hemisphere GNSS A631 GNSS Smart Antenna offers professional-level accuracy for a wide range of applications, including agriculture, marine, GIS, and mapping. Powered by Hemisphere’s Lyra™ II ASIC and Cygnus™ interference mitigation technology, it supports GPS, GLONASS, BeiDou, Galileo, QZSS, and Atlas® L-band corrections. With a rugged IP67-rated enclosure, scalable accuracy, and flexible mounting options, A631 delivers reliable GNSS performance in any environment.

  • GNSS Receiver:

    Receiver Type Multi-Frequency GPS, GLONASS, BeiDou, Galileo, QZSS, and Atlas
    Signals Received GPS L1CA/L1P/L1C/L2P/L2C/L5 GLONASS G1/G2/G3/P1/P2 BeiDou B1i/B2i/B3i/B10C/B2A/B2B/ACEBOC Galileo E1BC/E5a/E5b/E6BC/ALTBOC QZSS L1CA/L2C/L5/L1C/LEX/IRNS L5 Atlas
    Update Rate 10 Hz standard, 20 Hz optional (with activation)

     

    Accuracy

    Positioning RMS (67%)
    Autonomous,
    no SA:
    1.2 m
    SBAS 0.3 m
    Atlas H10 0.04 m
    Atlas H30 0.15 m
    Atlas Basic 0.5 m
    RTK 8 mm + 1 ppm

     

    Communications Ports:

    Ports 2 full-duplex RS-232, CAN
    CAN Baud Rates 4800 - 460,800
    Correction I/O Protocol: Hemisphere GNSS proprietary, RTCM v2.3 (DGPS), RTCM v3 (RTK)
    Data I/O Protocol NMEA 0183, NMEA 2000, Hemisphere GNSS binary, Bluetooth 2.0 (Class 2), Wi-Fi
    Timing Output 1 PPS, CMOS, active low, falling edge sync, 10 kΩ, 10 pF load

     

    Data & Storage:

    Storage Type 16 GB (internal)

     

    Power:
     

    Input Voltage 7-32 VDC
    Power
    Consumption
    2.0 W nominal (L1/L2 GPS/GLONASS; L-band)
    Current
    Consumption
    0.17 A nominal (L1/L2 GPS/GLONASS; L-band)
    Power Isolation No
    Reverse Polarity
    Protection
    Yes
    Antenna Voltage Internal Antenna

     

    Mechanical:

    Dimensions 15.8 L x 15.8 W x 7.9 H (cm)
    Weight: < 1.05 kg
    Power/Data
    Connector
    12-pin male (metal)
    Antenna
    Mounting
    1-14 UNS-2A female adapter, 5/8-11 UNC2B adapter, flat mount available

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