
K823 GNSS OEM module
The K823 is a dual-antenna dual-frequency and full-constellation GNSS OEM board with onboard IMU module, delivering robust high-precision positioning & heading information.
Features
- Dual-antenna Design for Robust Heading and Positioning
- GPS L1/L2, BeiDou B1/B3, GLONASS L1/L2, Galileo E1/E5b, QZSS, SBAS, IRNSS
- BeiDou Global Signal B1C, B2b
- Support L-Band and PPP
- Support GNSS+INS navigation
- Surface-mounted design and small size for integration
- High-performance floating-point arithmetic
- Industry-leading low power consumption
- Internal adaptive anti-interference algorithm

Robust positioning and heading
The K823 is designed with dual-antenna that delivers high-precision positioning and heading information for various unmanned systems.

Easy to integrate
The K823 is a 30mm×40mm×3.2mm module with surface-mounted design and is ideal for users to integrate. The power consumption is lower to 1.6W .

INS+GNSS navigation
The K823 is designed with an onboard high-precision IMU module, which can provide continuous and high-quality positioning data with inertial navigation fusion algorithm.
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Specifications
Channels: | 1226 |
Satellites tracking: | GPS: L1 C/A, L2C,L2P |
BeiDou: B1, B3 | |
BeiDou Global Signal: B1C, B2b | |
GLONASS: L1 C/A, L1P, L2 C/A, L2P | |
Galileo: E1, E5b | |
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 | |
Azimuth: | (0.2/R)° |
Roll or Pitch: | (0.4/R)° |
Size (L x W x H): | 30 mm × 40 mm × 3.2 mm |
Weight: | 10 g |
Hardware interface: | LGA 60 pin |
Power consumption: | 1.6 W |
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 ~ 40dB (suggested) |
Impedance Match: | Wiring 50 Ω impedance matching |
LVTTL ports: | 3 |
SPI: | 1 |
Event Markers input: | 2 |
Pulse Per Second (PPS) output: | 1 |
Indicator pins show the working status: | 3 |
Correction data I/O: | RTCM 2.X, 3.X, CMR, CMR+ |
Position data output: | NMEA-0183, ComNav Binary, BINEX |
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