K827 GNSS Board

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. It's designed specifically for applications in land surveying, autonomous driving, precision agriculture, machine control, robotics, and UAV.

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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

1

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.

1

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. 

1

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. 

1

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 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

NMEA-0183, ComNav Binary, BINEX

Documents

SinoGNSS K827 GNSS OEM Board

Release Date:2023-03-09

Version:1

ComNav K8 Series GNSS Module Comparison Table

Release Date:2023-03-22

Software

CRU-1.7.9-setup

Release Date:2023-02-17

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