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Qtalis

K902T GNSS Module

High Precision GNSS Timing Module

K902T GNSS Module

Regular price $169.00 USD
Regular price Sale price $169.00 USD
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The K902T GNSS Module integrates our advanced QC7820 multi-frequency GNSS SoC, delivering reliable multi-constellation GNSS tracking and <5ns high-precision timing accuracy. With advanced anti-interference technology and low-power design, K902T provides stable and precise timing performance for 5G communication base stations, power systems, server time synchronization, and traffic dispatch.

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
  • 5ns Timing Accuracy
  • Support PPP-B2b, PPP-HAS Service

Helpful Documentation

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Application

Designed for high-precision timing and synchronization in critical infrastructure.

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/A, L5
NAVIC*: L5
Cold Start< 20 s (Adding Acceleration Capture Module)
Hot Start (with RTC)< 10s (Typical)
Signal Reacquisition< 1s
Initialization Reliability> 99.9 %
Velocity accuracy≤ 0.02 m/s
Time Accuracy5 ns
PPP Convergence Time< <15 min¹
Post Processing2.5 mm + 1 ppm Horizontal
5 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
Size (W x L 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(Exernal)+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
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*
Note:
Items marked with *are only support by specific firmware.
¹ The laboratory test results may be affected by experimental environment and are provided for reference purposes.