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Introduction
Product Parameter
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Introduction
K827 is comnav’s best-in-class K8 series board. It is a multi-frequency GNSS board featuring reliable positioning performance with two independent RTK engine on one board. It can offer centimeter positioning accuracy in harsh environment. It's designed specifically for applications in land surveying, autonomous driving, precision agriculture, machine control, robotics, and UAV.


  • Full-constellation multi-frequency
  • support for GPS, BDS-2, BDS-3, GLONASS, Galileo, NAVIC, QZSS, and SBAS
  • Maximum availability in complex situations
  • Support INS+GNSS navigation
  • Support L-Band
  • Support CAN protocol
  • 50Hz data output
  • 1.8W power consumption
01
Dual-Resolving RTK Technology
With dual-antenna design, K827 can deliver robust positioning and heading. It is capable of providing centimeter-accuracy positioning and high-precision heading both in static and dynamic scenes.
02
Advanced Anti-interference Technology
Based on our latest QUANTUM III SoC chip with outstanding self-adaptive Anti-interference Technology, K827 can suppress the wideband, narrowband and continuous-wave interference. It can provide users with high-quality observing data in the complex electromagnetic environment
03
On Board IMU
K827 combines GNSS and IMU to deliver precise positioning in challenging environment, such as urban canyons, under trees or bridges. When losing GNSS signal, it can keep centimeter-level positioning in 3s and meter-level in 10s.
04
Full-constellation and Multi-frequency
K827 can track all the current and planned GNSS constellations, including GPS, BDS-2, BDS-3, GLONASS, GALILEO, NavIC, QZSS and SBAS. Your GNSS solutions will never be outdated with K827 GNSS boards.
Product Parameter
Performance
Physical
Communications
Performance
  • Positioning
    GPS: L1C/A, L1C, L2P, L2C, L5
    BDS-2: B1I, B2I, B3I
    BDS-3: B1I, B3I, B1C, B2a, B2b
    GLONASS: G1, G2, G3
    Galileo: E1, E5b, E5a, E5 AltBoC, E6c
    QZSS: L1C/A, L2C, L5, L1C
    SBAS: L1C/A
    NAVIC: L5
    L-Band
  • Orientation (& Positioning 2)
    GPS: L1C/A, L1C, L2P, L2C, L5
    BDS-2: B1I, B2I, B3I
    BDS-3: B1I, B3I, B1C, B2a, B2b
    GLONASS: G1, G2, G3
    Galileo: E1, E5b, E5a, E5 AltBoC, E6c
    QZSS: L1C/A, L2C, L5, L1C
    SBAS: L1C/A
    NAVIC: L5
    L-Band
  • Cold Start
    < 20s (Adding Acceleration Capture Module)
  • Hot Start (with RTC)
    < 10s (Typical)
  • Reacquisition
    < 1s
  • RTK Initialization time
    < 5s (baseline < 10km)
  • Initialization Reliability
    > 99.9 %
  • Velocity accuracy
    ≤ 0.02 m/s (PDOP ≤4)
  • Time Accuracy
    20ns
  • Overload
    15g
  • Azimuth
    0.15°/R
  • Roll or Pitch
    0.25°/R
  • Post Processing
    2.5 mm + 1 ppm Horizontal
    5 mm + 1 ppm Vertical
  • Single Baseline RTK
    8 mm + 1 ppm Horizontal
    15 mm + 1 ppm Vertical
  • DGPS
    <0.4 m RMS
  • SBAS
    1 m 3D RMS
  • Standalone
    1.5m 3D RMS
Physical
  • Size (L x W x H)
    46mm×71mm×10mm
  • Weight
    15.0 g
  • Hardware interface
    2 x 14 pin
  • Power consumption
    1.8 W (Anti-interference off)
    Set anti-interference on consumes more about 0.2W
  • Input voltage
    +3.3V~5.0V+5% DC @0~100mA
  • Operating temperature
    -40 °C to + 85 °C
  • Storage temperature
    -55 °C to + 95 °C
  • LNA Power
    +3.3V ~ +5V ± 5%VDC @ 0-100mA
  • LNA Gain External
    20 ~ 35dB
  • Impedance Matching
    50 Ohm
Communications
  • LVTTL ports
    3
  • SPI
    2
  • Event Markers input
    2
  • Pulse Per Second (PPS) output
    1
  • Indicator pins show the working status
    3
  • Correction data I/O
    RTCM 2.X, 3.X, CMR(GPS only), CMR+(GPS only)
  • Position data output
    - ASCII: NMEA-0183 GGA, GSA, GSV, RMC, HDT, VHD, ZDA, VTG, GST, GLL; PTNL, PJK; PTNL, AVR; PTNL, GGK
    - ComNav Binary
    - BINEX Data: 0x00, 0x01-01, 0x01-02, 0x01-05, 0x7d-00, 0x7e-00, 0x7f-05
    - Position data output rate: 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20Hz (optional), 50Hz



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  • SinoGNSS K827 GNSS OEM Board.pdf(202.35KB)
    2024-05-30
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