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  • K827 GNSS Board

K827 GNSS Board

Product Description:


K827 GNSS Board


The K827 represents the pinnacle of comnav's K8 series boards, distinguished as a top-tier multi-frequency GNSS receiver. This device is equipped with two independent RTK engines integrated onto a single board, ensuring dependable positioning capabilities. It is capable of delivering centimeter-level accuracy even in challenging environmental conditions. The K827 is specifically engineered for a variety of applications, including land surveying, autonomous vehicle navigation, precision agriculture, machine control, robotics, and unmanned aerial vehicles (UAVs).


Features



Full-constellation multi-frequency
support GPS, BDS-2, BDS-3, GLONASS, Galileo, IRNSS, QZSS and SBAS
Maximum availability in complex situation
Support INS+GNSS navigation
Support L-Band
Support CAN protocol
50Hz data output
1.8W power consumption


Dual-engine RTK Technology

Data collected from the primary and secondary antennas are transmitted to two separate processors, allowing for independent computation of Real-Time Kinematic (RTK) positioning, thereby enhancing the overall robustness of the system.


Full-constellation & Multi-frequency

The K827 device is capable of monitoring all existing and anticipated Global Navigation Satellite System (GNSS) constellations, which encompass GPS, BDS-2, BDS-3, GLONASS, Galileo, IRNSS, QZSS, and SBAS.


On Board IMU

The K827 integrates Global Navigation Satellite System (GNSS) technology with Inertial Measurement Unit (IMU) capabilities to provide accurate positioning even in difficult environments. It is capable of maintaining centimeter-level accuracy for a duration of 3 seconds and meter-level accuracy for up to 10 seconds during periods of signal loss.


Strong Compatibility

K827 is designed to be compatible with widely used GNSS boards, accommodating both physical and data formats. This ensures a smooth transition for customers utilizing boards that conform to the global standard of 20 to 28 pins.


Specifications



Performance


GPS: L1C/A, L1C, L2P, L2C, L5


BDS-2: B1I, B2I, B3I

BDS-3: B1I, B3I, B1C, B2a, B2b

GLONASS: G1, G2, G3
Positioning
Galileo: E1, E5b, E5a, E5 AltBoC, E6c

QZSS: L1C/A, L2C, L5, L1C

SBAS: L1C/A

NAVIC: L5

L-Band

GPS: L1C/A, L1C, L2P, L2C, L5


BDS-2: B1I, B2I, B3I

BDS-3: B1I, B3I, B1C, B2a, B2b

GLONASS: G1, G2, G3
Heading (& Positioning 2)
Galileo: E1, E5b, E5a, E5 AltBoC, E6c

QZSS: L1C/A, L2C, L5, L1C

SBAS: L1C/A

NAVIC: L5

L-Band
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


Physical



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 Matching
50 Ω


Communications

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

-ASCII: NMEA-0183 GGA, GSA, GSV, RMC, HDT, VHD, ZDA, VTG, GST, GLL; PTNL, PJK; PTNL, AVR; PTNL, GGK

-ComNav Binary


-Position data output rate: 1 Hz, 2 Hz, 5 Hz, 10Hz,20Hz(optional),50Hz*



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