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Qtalis

K902 GNSS Module

K902 GNSS Module

Regular price $145.00 USD
Regular price Sale price $145.00 USD
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The K902 GNSS Module integrates Qtalis’s advanced QC7820 SoC, delivering industry-leading full-constellation GNSS precision and centimeter-level positioning. Built-in IMU ensures stable GNSS/INS fusion navigation even in signal loss. With advanced anti-interference design and CAN & Ethernet interfaces, K902 delivers reliable, high-precision performance for intelligent driving, UAV, robotics, surveying & mapping, and digital construction.

Key Features:
Support GPS, BDS-2, BDS-3, GLONASS, GALILEO, NAVIC, QZSS and SBAS
RF&BB Integrated High-Precision GNSS SoC Chip
Brand New Dual-Core CPU Structure
Support PPP-B2b, PPP-HAS Service
Support GNSS+INS Navigation
Support CAN & Network

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Application

Channels1688
Signal TrackingGPS: L1C/A, L2P, L2C, L5, L1C
BDS-2: B1I, B2I, B3I
BDS-3: B1I, B3I, B1C, B2a, B2b
GLONASS: G1, G2, G3*
Galileo: E1, E5b, E5a, E5 AltBoC*, E6c*
QZSS: L1C/A, L2C, L5, L1C
SBAS: L1C, L5/A
NAVIC*: L5
Cold Start< 20 s (Adding Acceleration Capture Module)
Hot Start (with RTC)< 10s (Typical)
Signal Reacquisition< 1s
RTK Initialization time< 5s (D < 10km)
Initialization Reliability> 99.9 %
Velocity accuracy≤ 0.02 m/s
Time Accuracy20ns
PPP Convergence Time< 15 min
Post Processing2.5 mm + 1 ppm Horizontal
5 mm + 1 ppm Vertical
Single Baseline RTK8 mm + 1 ppm Horizontal
15 mm + 1 ppm Vertical
DGPS<0.4 m RMS
SBAS1 m 3D RMS
Standalone1.5 m Horizontal; 3 m Vertical
PPP0.1 m Horizontal; 0.2 m Vertical
ADR Position Error<3% of distance travelled without GNSS
Size (L x W x H)17 mm × 22 mm × 2.5 mm
Weight1.9 g
Hardware interfaceLGA 54 pin
Power consumption0.4 W (Anti-interference off)
Input voltage+ 3.3 V ± 5% DC
Working temperature-40 °C to + 85 °C
Storage temperature-55 °C to + 125 °C
LNA Power External+3.3V ~ +5V ± 5%VDC @ 0-100mA
LNA Gain20 ~ 35 dB (Suggested)
Impedance Match50 Ω
UART2
UART3 or CAN (optional)1
PPS1
EVENT1
I2C1
SPI1
ETH1 (Corresponding Pin is 24, 25, 28, 29)
Correction data I/ORTCM 2.X, 3.X
Position data output- ASCII (NMEA-0183): GGA, GSA, GSV, RMC, HDT, VHD, ZDA, VTG, GST, GLL
- Binary: ComNav Binary
- Position Output Rate: 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz*, 50 Hz*
- IMU Data Rate: 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz*, 50 Hz*, 100 Hz*
GyroscopeRange: ± 125°/s
Bias Repeatability: 0.5°/s
Bias Stability: 5°/h
Angular Random Walk: 0.12°/√h
AccelerometerRange: ± 2g/s
Bias Repeatability: 20 mg
Bias Stability: 50 μg
Velocity Random Walk: 0.07 m/s/√h