
K827 GNSS Board
K827 is comnav’s best-in-class K8 series board. It is a multi-frequency GNSS receiver featuring reliable positioning performance with two independent RTK engine on one board. It can offer centimeter positioning accuracy in harsh environment.
Features
- Full-constellation multi-frequency
- support GPS, BDS-2, BDS-3, GLONASS, Galileo, IRNSS, QZSS and SBAS
- Unique Dual-engine RTK technology
- Support INS+GNSS navigation
- Support L-Band
- Support CAN protocol
- 50Hz data output
- 1.8W power consumption

Dual-engine RTK Technology
Observations from primary antenna and secondary antenna are transferred to two processors where RTK are computed independently, so the robustness of system is improved.

Full-constellation & Multi-frequency
K827 can track all the current and planned GNSS constellations, including GPS, BDS-2, BDS-3, GLONASS, Galileo, IRNSS, QZSS and SBAS.

On Board IMU
K827 combines GNSS and IMU to deliver precise positioning in challenging environment. It can keep centimeter-level positioning in 3s and meter-level in 10s during lock-lose.

Strong Compatibility
K827 is compatible with mainstream GNSS boards from physical to data format, ensuring a seamlessly replacement for customers who use boards on worldwide standard 20pins to 28pins.
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Specifications
Channels: | 1930 |
Satellites tracking: | GPS: L1C/A, L1C, L2P, L2C, L5 |
BeiDou: B1I, B2I, B3I,B1C, B2a, B2b | |
GLONASS: G1, G2, G3* | |
Galileo: E1, E5b, E5a, E5 AltBoC*, E6c | |
QZSS, IRNSS, L-Band | |
SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM | |
Post Processing: | Horizontal: 2.5 mm + 1 ppm |
Vertical: 5 mm + 1 ppm | |
Single Baseline RTK: | Horizontal: 8 mm+1 ppm |
Vertical: 15 mm+ 1 ppm | |
Initialization time: | <5 s |
Size (L x W x H): | 46mm×71mm×10mm |
Weight: | 15.0 g |
Hardware interface: | 2x14 pin |
Power consumption: | 1.8 W (Anti-interference off) |
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 ~ 35dB |
Impedance Match: | 50 Ω |
LVTTL ports: | 3 |
SPI: | 2 |
Event Markers input: | 2 |
Pulse Per Second (PPS) output: | 1 |
Indicator pins show tde working status: | 3 |
Correction data I/O: | RTCM 2.X, 3.X, CMR, CMR+ |
Position data output: | NMEA-0183, ComNav Binary, BINEX |
Options for K827
Model |
K827 |
K823 |
K803 |
K801 |
Frequency |
Multi-frequency |
Multi-frequency |
Triple-frequency |
Dual-frequency |
GPS |
L1C/A, L1C, L2P, L2C, L5 |
L1, L2 |
L1, L2, L5 |
L1 C/A, L5 |
BDS |
B1I, B2I, B3I, B1C, B2a, B2b |
B1I, B3I,B1C* |
B1, B2, B3 |
B1I, B2a |
GLONASS |
G1, G2, G3 |
L1, L2 |
L1, L2 |
G1 |
Galileo |
E1, E5b, E5a, E5 AltBoC*, E6c |
E1, E5b |
E1, E5a, E5b |
E1, E5a |
QZSS |
L1C/A, L2C, L5, L1C* |
L1, L2* |
L1 |
L1 C/A, L5 |
IRNSS |
L5 |
- |
L5 |
- |
SBAS |
L1C/A |
L1 |
L1, L5 |
L1 |
L-Band |
+ |
+ |
+ |
- |
Power Consumption(W) |
1.8 |
1.6 |
1 |
0.15 |
Onboard IMU |
Support |
Support |
Support |
Support |
"-" do not support "*" upgradable "+" conditional support
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