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Introduction
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Introduction
The K803 is a full-constellation triple-frequency GNSS OEM board with IMU module featuring superior performance and compact design.It's designed specifically for UAV, robotic systems, marine systems, deformation monitoring, land survey, portable terminals, Internet of Things, GBAS, personnel positioning, GIS, and machine control.


  • Support GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, SBAS
  • Support L-Band and PPP
  • Support GNSS+INS navigation
  • Surface-mounted design and small size to integrate
  • High-performance floating-point arithmetic
  • Industry-leading low power consumption
  • Internal adaptive anti-interference algorithm
01
Full-constellation & multi-frequency
The K803 is a full-constellation triple-frequency GNSS OEM board, tracking GPS, BeiDou, BeiDou Global Signal, GLONASS, Galileo, QZSS, NavIC, SBAS and L-Band.
02
Easy to integrate
The K803 is a 30mm×30mm×3.2mm module with surface-mounted design and is ideal for users to integrate. The power consumption is lower to 1.0W .
03
INS+GNSS navigation
The K803 is designed with an onboard high-precision IMU module, which can provide continuous and high-quality positioning data with inertial navigation fusion algorithm.
Product Parameter
Performance
Physical
Communications
Performance
  • Satellites tracking
    GPS: L1C/A, L2C, L2P, L5, L1C
    BeiDou: BDS-2: B1I, B2I, B3I
                  BDS-3: B1I, B3I, B1C, B2a, B2b
    GLONASS: G1, G2, G3
    Galileo: E1, E5a, E5b,  E6c, E5 AltBOC
    QZSS: L1C/A, L2C, L5, L1C
    SBAS: L1C/A, L5
    NavIC: L5
    L- Band
  • 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
  • Cold start
    <20 s
  • Hot start
    <10 s
  • RTK Initialization time
    <10 s
  • Signal reacquisition
    <1 s
  • Initialization reliability
    >99.9%
  • Velocity accuracy
    ≤ 0.02 m/s
  • Overload
    15 g
  • Time accuracy
    20 ns
Physical
  • Size (L x W x H)
    30 mm × 30 mm × 3.2 mm
  • Weight
    8 g
  • Hardware interface
    LGA 82 pin
  • Power consumption
    1.0 W
  • Input voltage
    +3.3 V ± 5% DC
  • Operating temperature
    -40 °C to + 85 °C
  • Storage temperature
    -55 °C to + 95 °C
  • LNA Power External
    +3.3V ~ +5V ± 5%VDC @ 0-100mA
  • LNA Gain
    20 ~ 40dB (suggested)
  • Impedance Matching
    Wiring 50 Ω impedance matching
Communications
  • LVTTL ports
    4
  • SPI
    1
  • 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



Download
  • SinoGNSS K8 Series GNSS Module Comparison Table.pdf(3.77MB)
    2024-05-30
    DOWNLOAD
  • SinoGNSS K803 GNSS OEM Module.pdf(2.16MB)
    2024-05-30
    DOWNLOAD
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