Shenzhen Youwei Communication Co., Ltd.
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| Item | Specification |
| Model No. | YW-10101Z1 |
| Chipset | Goke/CKS/Custom |
| Package Type | SMD |
| Certifications | FCC/CE/RoHS |
| System | Frequency Band | Notes |
| GPS | L1 C/A | |
| GLONASS | L1OF | |
| BeiDou | B1 | |
| Galileo | E1B/C² | Customizable |
| SBAS/QZSS | L1 C/A |
| Parameter | Specification |
| Horizontal Accuracy | 2.5-5m |
| Vertical Accuracy | TBD |
| Channels | Configurable |
| Time Pulse Accuracy | 25ns RMS |
| Velocity Accuracy | 0.1m/s |
| Mode | Typical Value |
| Hot Start | 1s |
| Warm Start | 28s |
| Cold Start | 30s |
| Mode | Threshold |
| Tracking | -162 |
| Acquisition | -160 |
| Cold Start | -147 |
| Parameter | Specification |
| Operating Voltage | 3.3V-5V/3.3V-12V |
| Operating Current | 25-50mA |
| Standby Current | 1-5mA |
| Operating Temperature | -40℃~85℃ |
| Type | Supported Protocols |
| Data Interface | UART/I2C/SPI/USB |
| Data Format | NMEA 0183 (12 sentence types) |
| Baud Rate | 9600bps(default)/115200bps |
| Update Rate | 1-10Hz adjustable |
| Item | Description |
| Antenna Type | Embedded ceramic patch |
| Firmware Upgrade | Supported/optional |
| Packaging | Baseband/Tray |
Single-Frequency vs Dual-Frequency GPS Module Comparison
| Feature | Single-Freq (L1) | Dual-Freq (L1+L5/L2) |
| Accuracy | 3-5m | <1m (cm-level with augmentation) |
| Ionospheric Correction | No | Yes |
| Multipath Resistance | Moderate | Excellent |
| Cost | Lower | Higher |
Precision Enhancement: Eliminates ionospheric errors through dual-band comparison
Reliability Improvement:
60% better multipath rejection
45% higher urban canyon success rate
Faster Convergence: 40% shorter TTFF in challenging environments
Environmental Adaptability: Stable operation under foliage/weak signal
Single-Frequency: Smartphones/Consumer trackers
Dual-Frequency:
✓ Precision agriculture
✓ UAV navigation
✓ Autonomous vehicles
✓ Surveying equipment
✓ High-end IoT devices
Key Features:
1, Hierarchical table structure for clarity
2, Logical parameter categorization
3, Standardized comparison tables with bullet-point explanations
4, Original data fully preserved
5, Consistent terminology and units
6, Highlighted critical performance metrics
