YOUWEI High Accuracy Fast-time-to-first-fix Vehicle Tracking Long-term Supply GPS Tracking Module
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Detailed
| Category | Parameter | Details | Remarks |
| Core Chipset | Supported Platforms | Goke, CKS, or custom ASIC | OEM configurations available |
| Frequency Bands | Multi-Constellation Coverage | - GPS L1 C/A - SBAS (WAAS/EGNOS) - QZSS L1 - GLONASS L1OF - BeiDou B1I - Galileo E1B/C | Supports 6-system coexistence |
| Channel Capacity | Parallel Tracking Channels | 88 channels (default) / Customizable per order | Ensures <2.5m accuracy in urban canyons |
| Positioning | Horizontal Accuracy | 2.0m (open sky) → 5.0m (urban) | With SBAS: <1.5m |
| Vertical Accuracy | 3.0m (typical) | Altitude-critical applications | |
| Startup Time | - Hot Start - Warm Start - Cold Start | <1s (ephemeris retained) <15s (almanac available) <30s (full scan) | A-GPS compatible |
| Sensitivity | - Tracking - Acquisition - Cold Start | -162dBm -160dBm -147dBm | Superior weak-signal performance |
| Data Interface | Baud Rate Options | 9,600bps (default), 115,200bps (high-speed) | Configurable via firmware |
| Update Rate | Navigation Output | 1Hz (low-power) ↔ 10Hz (high-dynamics) | 20Hz optional for UAVs |
| Time Sync | Pulse-Per-Second (PPS) | ±25ns RMS jitter | IEEE 1588v2 support |
| Velocity Precision | Dynamic Accuracy | 0.05m/s (with Doppler aiding) | Ideal for automotive ADAS |
| Protocols | Data Output Formats | NMEA 0183 (GGA, RMC, etc.) + proprietary binary (RTCM 3.x for RTK) | Custom sentence support |
| Connectivity | Physical Interfaces | UART, I2C, SPI, USB 2.0 | EMI-shielded design |
| Power | - Operating Voltage - Active Current - Standby Current | 3.3V–5.0V DC ≤35mA @ 3.3V ≤2mA (sleep mode) | Power-saving modes: 50% reduction |
| Environment | Operating Temperature | -40°C to +85°C (industrial grade) | MIL-STD-810G compliant |
| Antenna | Integrated Antenna | Ceramic patch (50Ω impedance) | External active antenna port available |
| Certifications | Compliance | FCC, CE, RoHS, ISO 16750 (automotive) | REACH & WEEE compliant |
| Upgradability | Firmware Management | FOTA (Field-Programmable via USB/UART) | Lifetime free GNSS almanac updates |
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