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Leo Store - Hemisphere GNSS - C631 GNSS Smart Antenna 1

C631 GNSS Smart Antenna


The C631, Hemisphere’s new multi-GNSS, multi-frequency smart antenna, offers robust performance and high precision in a compact, rugged design. With multiple communication ports and an open GNSS interface, it adapts to various modes. Serve as a precise base station or lightweight rover via UHF radio or Wi-Fi. Its web user interface allows easy control and firmware upgrades. Athena-enabled and Atlas-capable, C631 ensures state-of-the-art RTK performance and centimeter-level accuracy globally, even in challenging environments

  • GNSS Receiver:

    Receiver Type Multi-Frequency GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS, and Atlas L-band
    Signals Received GPS L1CA/L1P/L1C/L2P/L2C/L5 GLONASS G1/G2/G3, P1/P2 BeiDou B1i/B2i/B3i/B1OC/B2A/B2B/ ACEBOC GALILEO E1BC/E5a/E5b/E6BC/ALTBOC QZSS L1CA/L2C/L5/L1C/LEX IRNSS L5 Atlas
    RTK Formats RTCM2.1, RTCM2.3, RTCM3.0, RTCM3.1, RTCM3.2 including MSM



    Positioning RMS (67%)
    no SA:
    1.2 m
    SBAS 0.3 m
    Atlas H10 0.04 m
    RTK Static 8 mm + 1 ppm
    Performance Tilt 2.5 mm + 1 ppm



    Bluetooth Bluetooth 2.1+EDR / 4.0 LE
    Wi-Fi 802.11 b/g
    Network LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/ B18/B19/B20/B25/B26/B28 LTE TDD: B38/B39/B40/B41 UMTS: B1/B2/B4/B5/B6/B8/B19 GSM: B2/B3/B5/B8
    Radio Frequency range: 410MHz ~ 470MHz and 902.4MHz ~ 928MHz Channel Spacing: 12.5 KHz / 25 KHz


    Data & Storage:

    Storage Type 8 GB internal, SD card up to 32 GB


    Connector Ports:

    TNC For connecting to UHF radio antenna
    LEMO 5-pin For connecting to external power supply, external radio
    LEMO 7-pin For serial port, USB
    Card Slots For Micro SIM card and Micro SD card



    Input Voltage 9 to 28 V DC
    Battery With removable dual battery, for single battery parameter: 7.2 V, 3400 mAh, 24.48 Wh
    Working Time 12 hours in Rover UHF mode (2 batteries)



    Dimensions 156 x 76 mm
    Weight: 1.19 kg
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