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4GNSS START-D

Dual-antenna GNSS receiver in starter configuration

A universal dual-antenna GNSS receiver with a base configuration sufficient for most navigation tasks.

Designed for high-precision position and heading determination, providing reliable coordinate and orientation data in real time.
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  • 965 channels
    Multi-constellation signal tracking
  • Web-interface control
    Remote configuration and monitoring
  • Heading accuracy
    (0.2 / R)° — depends on antenna baseline
  • Configurable options
    Built-in IMU, UHF modem, 2G/3G/LTE GSM modem
TECHNICAL SPECIFICATIONS
  • Signal Tracking

    • 965 channels
    • GPS: L1 C/A, L2C, L2P
    • BeiDou: B1, B2
    • GLONASS: L1 C/A, L1P, L2 C/A, L2P
    • Galileo: E1, E5b
    • SBAS: WAAS, EGNOS, MSAS, GAGAN

    Positioning Accuracy

    • RTK: Horizontal 8 mm + 1 ppm / Vertical 15 mm + 1 ppm
    • DGPS: < 0.4 m (3D RMS)
    • Standalone: < 1.5 m (3D RMS)
    • SBAS: < 1 m (3D RMS)
    • Post-processing:
    • Horizontal 2.5 mm + 1 ppm / Vertical 5 mm + 1 ppm
  • Navigation Parameters

    • Azimuth: (0.2 / R)°
    • Pitch / Roll: (0.2 / R)°, where R is the antenna spacing in meters

    Data Format

    • Correction I/O: RTCM 3.X
    • Coordinate output: NMEA-0183, ComNav protocols
    • Measurement output rate: 1 Hz / 5 Hz / 10 Hz

    Main Performance

    • Cold start: < 50 s
    • Warm start: < 35 s
    • Hot start: < 15 s
    • RTK initialization: < 10 s
    • Tracking recovery: < 1.5 s
    • Initialization reliability: > 99.9 %
    • Velocity accuracy: 0.03 m/s
    • Acceleration: 4 g
    • Shock resistance: 15 g
    • Timing accuracy: 20 ns
  • Physical

    • Size: 180 × 114 × 65 mm
    • Weight: 830 g
    • Operating temperature: −40 °C … +70 °C
    • Storage temperature: −40 °C … +85 °C
    • Humidity: up to 100 % (with condensation)
    • Ingress protection: IP67
    • Shock resistance: withstands drop from 2 m onto concrete

    Communications

    • 2 × RS232 (Lemo0 4-pin, up to 230 400 baud)
    • 1 × PPS (pulse-per-second output)
    • 1 × Event marker input *
    • Bluetooth
    • Wi-Fi 802.11 (APN / client mode)
    • Ethernet RJ-45
    • Power connector (Lemo0 4-pin, female)
    • 2 × GNSS antenna ports — SMA (female)
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