GPS GNSS module K901

GLONASSQZSSGALILEO

The K901 integrates the advanced QC7820 SoC chip to deliver industry-leading GNSS precision with full-constellation support. It features a compact SMT package, ultra-low power consumption and multi anti-interference technologies, making it suitable for space- and power-constrained applications such as IoT and UAVs.

Key features

• Support GPS, BDS-2, BDS-3, GLONASS, GALILEO, NAVIC, QZSS and SBAS
• RF & BB integrated high-precision GNSS SoC (QC7820)
• Brand new dual-core CPU structure
• Small size & low power consumption
• Support PPP-B2b and PPP-HAS services

Performance

• Signal Tracking: GPS: 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; NAVIC: L5
• Cold Start: < 20 s (Adding Acceleration Capture Module)
• Hot Start (with RTC): < 10 s (Typical)
• Signal Reacquisition: < 1 s
• RTK Initialization time: < 5 s (D < 10 km)
• Initialization Reliability: > 99.9 %
• Velocity accuracy: ≤ 0.02 m/s
• Time Accuracy: 20 ns
• PPP Convergence Time: < 15 min
• 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: 1.5 m Horizontal; 3 m Vertical
• PPP: 0.1 m Horizontal; 0.2 m Vertical

Physical

• Size (W × L × H): 12.2 mm × 16 mm × 2.5 mm
• Weight: 1.0 g
• Hardware interface: LGA 24 pin
• Power consumption: 0.35 W
• Input voltage: +3.3 V ± 5% DC
• Working temperature: -40 °C to +85 °C
• Storage temperature: -55 °C to +125 °C
• LNA Power (External): +3.3 V ~ +5 V ± 5% VDC @ 0-100 mA
• LNA Gain: 20 ~ 35 dB (Suggested)
• Impedance Match: 50 Ω

Communications

• UART: 3
• PPS: 1
• EVENT: 1
• I2C: 1
• Correction data I/O: RTCM 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* (items marked * supported by specific firmware)

Caractéristiques / Spécifications techniques

• Manufacturer: ComNav Technology Ltd.
• Model: K901
• SoC: QC7820 (next-gen RF & BB integrated GNSS SoC)
• CPU: Dual-core architecture
• Anti-interference technologies: internal adaptive system with wideband reception, narrowband suppression and continuous-wave rejection
• Integration: space-saving SMT package with full pin compatibility for simplified design-in