
K803 GNSS OEM module
The K803 is a full-constellation triple-frequency GNSS OEM board with IMU module featuring superior performance and compact design.
Features
- GPS L1/L2/L5, BeiDou B1/B2/B3, GLONASS L1/L2, Galileo E1/E5a/E5b, QZSS, IRNSS, SBAS
- BeiDou Global Signal B1C, B2a, B2b
- Support L-Band and PPP
- Support GNSS+INS navigation
- Surface-mounted design and small size to integrate
- High-performance floating-point arithmetic
- Industry-leading low power consumption
- Internal adaptive anti-interference algorithm

Full-constellation & multi-frequency
The K803 is a full-constellation triple-frequency GNSS OEM board, tracking GPS, BeiDou, BeiDou Global Signal, GLONASS, Galileo, QZSS, IRNSS, SBAS and L-Band.

Easy to integrate
The K803 is a 30mm×30mm×3.2mm module with surface-mounted design and is ideal for users to integrate. The power consumption is lower to 1.0W .

INS+GNSS navigation
The K803 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: | 965 |
Satellites tracking: | GPS: L1 C/A, L2C,L2P,L5 |
BeiDou: B1, B2, B3 | |
BeiDou Global Signal: B1C, B2a, B2b | |
GLONASS: L1 C/A, L1P, L2 C/A, L2P | |
Galileo: E1, E5a, 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 | |
Initialization time: | <10 s |
Size (L x W x H): | 30 mm × 30 mm × 3.2 mm |
Weight: | 8 g |
Hardware interface: | LGA 82 pin |
Power consumption: | 1.0 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: | 4 |
SPI: | 1 |
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 |
Options for K803
|
K803 Lite(L1) |
K803 Lite |
K803 S |
K803 |
Frequency |
Single-frequency |
Dual-frequency |
Triple-frequency |
Triple-frequency |
GPS |
L1 |
L1, L2 |
L1, L2, L5 |
L1, L2, L5 |
BDS |
B1 |
B1, B3 |
B1, B2, B3 |
B1, B2, B3 |
GLONASS |
L1 |
L1, L2 |
L1, L2 |
L1, L2 |
Galileo |
E1 |
E1, E5b |
E1, E5a, E5b |
E1, E5a, E5b |
QZSS |
L1 |
L1 |
L1 |
L1 |
IRNSS |
- |
* |
L5* |
L5 |
SBAS |
L1 |
L1 |
L1, L5 |
L1, L5 |
L-Band |
- |
- |
+ |
+ |
Power Consumption |
0.65 W |
0.85 W |
1 W |
1 W |
Onboard IMU |
- |
- |
- |
Support |
"-" do not support "*" upgradable "+" conditional support
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