K827 GNSS Board

K827 GNSS Board

IntroductionK827 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 cen

  • Frequency： Full-constellation multi-frequency Support GPS, BDS-2, BDS-3, GLONASS,GALILEO, NAVIC,QZSS and SBAS Unique Dual-engine RTK technology Support INS+GNSS navigation Support L-Band* Support CAN protocol* 50Hz data output
  • Channel： GPS BDS-2 BDS-3 GLONASS Galileo QZSS SBAS NAVIC L-Band* L1C/A, L1C, L2P, L2C, L5 B1I, B2I, B3I B1I, B3I, B1C, B2a, B2b G1, G2, G3* E1, E5b, E5a, E5 AltBoC*, E6c L1C/A, L2C, L5, L1C* L1C/A L5
  • Baud rate： 115200
  • Communication Interface： UART TTl
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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


PositioningGPS: 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)
Acceleration4 g
Time Accuracy20ns
Overload15g
Azimuth0.15°/R
Roll or Pitch0.25°/R
Post Processing2.5 mm + 1 ppm Horizontal
5 mm + 1 ppm Vertical
Single Baseline RTK8 mm + 1 ppm Horizontal
15 mm + 1 ppm Vertical
DGPS<0.4 m RMS
SBAS1 m 3D RMS
Standalone1.5m 3D RMS


Size (L x W x H)46mm×71mm×10mm
Weight15.0 g
Hardware interface2 x 14 pin
Power consumption1.8 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 External20 ~ 35dB
Impedance Matching50 Ohm



LVTTL ports3
SPI2
Event Markers input2
Pulse Per Second (PPS) output1
Indicator pins show the working status3
Correction data I/ORTCM 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


K827 GNSS OEM Board.pdf

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