Introduction
Product Parameter
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Introduction
The K823 is a dual-antenna dual-frequency and full-constellation GNSS OEM board with IMU module, which delivers robust high-precision positioning & heading information.It's designed specifically for UAV, robotic system, marine system, UGV, portable terminal, deformation monitoring, GIS, and machine control.


  • Dual-antenna Design for Robust Heading and Positioning
  • GPS, BeiDou, GLONASS, Galileo, QZSS, SBAS
  • 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
01
Robust positioning and heading
The K823 is designed with dual-antenna that delivers high-precision positioning and heading information for various unmanned systems.
02
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.
03
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.
Product Parameter
Performance
Physical
Communications
Performance

Satellites tracking

GPS: L1 C/A, L2C, L2P
BeiDou: B1, B2
BeiDou Global Signal: B1C, B2b
GLONASS: L1 C/A, L1P, L2 C/A, L2P
Galileo: E1, E5b
QZSS: L1, L2
SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM
L-Band

Cold start

<20 s

Hot start

<10 s

RTK Initialization time

<10 s

Signal reacquisition

<1 s

Initialization reliability

>99.9%

Velocity accuracy

4 g

Overload

15 g

Time accuracy

20 ns

Azimuth

(0.2/R)°

Roll or Pitch

(0.4/R)°

Post Processing

2.5 mm + 1 ppm Horizontal
5 mm + 1 ppm Vertical

Single Baseline RTK

8 mm + 1 ppm Horizontal
15 mm + 1 ppm Vertical

DGPS

<0.4 m RMS

SBAS

1 m 3D RMS

Standalone

1.5m 3D RMS

Physical

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 (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 ~ 40dB (suggested)

Impedance Match

Wiring 50 Ω impedance matching

Communications

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 (GPS only), CMR+(GPS only)

Position data output

- ASCII: NMEA-0183 GGA, GSA, GSV, RMC,    HDT, VHD, ZDA, VTG, GST, GLL; PTNL, PJK; PTNL, AVR; PTNL, GGK
- ComNav Binary
- BINEX Data: 0x00, 0x01-01, 0x01-02, 0x01-05, 0x7d-00, 0x7e-00, 0x7f-05
- Position data output rate: 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20Hz

Download
  • SinoGNSS K8 Series GNSS Module Comparison Table.pdf(3.77MB)
    2024-05-30
  • SinoGNSS K823 GNSS OEM Module.pdf(675.04KB)
    2024-05-30
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