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.

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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.

Specifications

Performance	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
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 Match	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	NMEA-0183, ComNav Binary, BINEX