Positioning GNSS Module Receiver for iOT Fleet Management & Asset Tracking
Brand Name:YOUWEI
Certification:CE FCC RoHS
Model Number:YW-25254G3
Minimum Order Quantity:100
Delivery Time:5-7 working days
Payment Terms:T/T, Western Union, MoneyGram, D/A, L/C, Paypal
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Location:
Shenzhen Guangdong China
Address:
501, Building A, No. 32, Huimin 1st Road, Guanlan Street, Longhua District, Shenzhen, China, Shenzhen, Guangdong, China
Supplier`s last login times:
within 7 hours
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Product Details
YW-25254G3 GNSS Module Specifications
| 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 | Other system: as per order |
| 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 | REACH & WEEE compliant |
| Upgradability | Firmware Management | FOTA (Field-Programmable via USB/UART) | Lifetime free GNSS almanac updates |
Key Features and Benefits of Youwei GNSS Modules
1, Enhanced Weak-Signal Performance
Advanced signal processing algorithms enable reliable satellite acquisition and tracking even in challenging environments (e.g., urban canyons, dense foliage).
2, Multi-Channel, Multi-Constellation Support
72-channel GPS receiver architecture ensures simultaneous tracking of GPS, GLONASS, Galileo, and BeiDou satellites, delivering <2.5m positioning accuracy and faster Time-to-First-Fix (TTFF).
3, Optimized Startup Modes
Hot start: <1 sec (retains ephemeris data)
Warm start: <15 sec (uses almanac data)
Cold start: <30 sec (full satellite search)
4, High-Precision 3D Positioning
Provides horizontal (latitude/longitude) and vertical (altitude) coordinates with minimal drift, suitable for altitude-sensitive applications like drones.
5, Ultra-Low Power Design
Adaptive power management reduces consumption to <25mA in continuous mode, ideal for battery-operated IoT devices.
6, Robust Environmental Resilience
Operates in -40°C to +85°C temperatures and resists interference from industrial EMI/RFI sources.
7, Multipath Mitigation Technology
Proprietary algorithms suppress reflected signal errors, improving accuracy in urban areas by up to 40%.
8, Global Compatibility
Seamless integration with all major GNSS constellations for worldwide coverage.
Application Scenarios of Youwei GPS tracking modules
| Industry | Use Case | Module Advantage |
| Automotive | Fleet tracking, stolen vehicle recovery | High update rate (10Hz) for real-time motion tracking |
| Aviation | UAV navigation, waypoint following | Centimeter-level precision with RTK support (optional) |
| Wearables | Elderly/child safety trackers | Low power extends battery life to 7+ days |
| Logistics | Container/asset monitoring | Anti-jamming design ensures reliability in metal-rich environments |
| Smart Agriculture | Autonomous tractor guidance | Dual-frequency (L1/L2) support for sub-meter accuracy |
Positioning GNSS Module Receiver for iOT Fleet Management & Asset Tracking
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