Shenzhen Youwei Communication Co., Ltd.
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Main Features of the GPS Tracking Module
Supports NMEA 0183 standard sentences and other custom data formats.
Compact design, easy to integrate into various devices.
Compact design for easy integration.
Supports performance improvements and issue fixes through software updates.
Certified by FCC, CE, RoHS, etc., ensuring product quality and safety.
Rigorously tested to ensure long-term stable operation.
Supports data logging for subsequent analysis and processing.
High-precision positioning with 2.5 meters accuracy.
Supports multiple satellite systems (GPS, GLONASS, Galileo, BeiDou).
Low power consumption for extended battery life.
Real-time tracking and fast time-to-first-fix (TTFF).
Typical Application of Youwei GNSS GPS Locating Modules
Vehicle Navigation: Real-time tracking and route optimization.
Drones: Precise positioning for stable flight and navigation.
Wearable Devices: Location tracking for fitness and safety applications.
Asset Tracking: Monitor and manage valuable assets in real-time.
IoT Devices: Enable location-based services in smart devices.
Parameters Table of YW-25254Z1 GPS Module
| Item | Parameter |
| Chipset brand | Goke, CKS, or customized |
| Receiver Frequency | GPS L1 C/A SBAS L1 C/A QZSS L1 C/A GLONASS L1OF BeiDou B1 Galileo E1B/C² |
| Number of Channels | As per order |
| Positioning Accuracy | Horizontal Accuracy: 2.5 to 5 meters |
| Time-To-First-Fix | Hot Start Time:1 s Cold Start Time:30 s Warm Start Time:28 s |
| Sensitivity | Tracking Sensitivity: -162 dBm Acquisition Sensitivity: Typically -160 dBm Cold Start:-147dBm |
| Baud Rate | 9,600 bps (Default) or 115200bps |
| Max Navigation Update Rate | 1Hz to 10Hz |
| Accuracy of Time Pulse Signal | RMS 25 ns |
| Velocity accuracy | 0.1 m/s |
| Operational Limits
| Dynamics ≤ 4 g Altitude 18000 m Velocity 515 m/s |
| Data Output Format | NMEA 0183 |
| Output Interface Type | UART, I2C, SPI, USB, etc. |
| Working Voltage | 3.3V ~ 5V |
| Power Consumption | Operating Current: 25mA to 50mA Standby Current: 1mA to 5mA |
| Temperature Range | -40°C to 85°C |
| Antenna Type | patch ceramic antenna |
| Firmware Upgrade | Supported or not supported |
| Package Type | SMD |
| Certificates | FCC, CE, RoHS, etc. |
| Packing way | Tray/Carton |
Factors to Consider When Choosing a GNSS GPS Module
When selecting a GNSS GPS module for your application, it’s essential to evaluate several key factors to ensure it meets your specific needs. GPS modules are widely used in various industries, including navigation, IoT, wearables, and automotive systems. Here are the most important considerations:
1. Accuracy
The primary purpose of a GPS navigation module is to provide precise location data. Consider the level of accuracy required for your application. High-end positioning modules can achieve sub-meter accuracy, while standard modules may offer 2.5–5 meters of accuracy. Factors like signal strength, environmental conditions, and support for augmentation systems (e.g., SBAS, DGPS) can influence accuracy.
2. Power Consumption
Power efficiency is critical, especially for battery-powered devices like wearables or IoT sensors. Low-power GPS tracking modules can extend battery life, making them ideal for portable applications. Check the module’s power consumption in active and standby modes.
3. Size and Form Factor
The physical size of the GPS module matters, particularly for compact devices like drones or smartphones. Smaller modules are easier to integrate but may sacrifice some features. Ensure the module fits within your design constraints.
4. Time-to-First-Fix (TTFF)
TTFF refers to the time a GPS module takes to acquire satellite signals and provide the first position fix. A shorter TTFF is desirable for applications requiring quick location updates, such as emergency tracking systems.
5. Supported Satellite Systems
Modern GPS modules often support multiple global navigation satellite systems (GNSS), such as GPS (USA), GLONASS (Russia), Galileo (Europe), and BeiDou (China). Multi-GNSS support improves reliability and accuracy, especially in challenging environments like urban canyons.
6. Environmental Durability
Consider the operating environment of your application. If the GPS chipset will be used outdoors or in harsh conditions, ensure it has robust protection against factors like water, dust, and extreme temperatures.
7. Interface and Compatibility
GPS modules typically communicate via interfaces like UART, I2C, or SPI. Ensure the module’s interface is compatible with your system. Additionally, check if it supports protocols like NMEA for easy integration.
8. Additional Features
Some GPS GNSS modules come with extra features like built-in antennas, real-time kinematic (RTK) capabilities for centimeter-level accuracy, or integration with other sensors (e.g., accelerometers, gyroscopes). Evaluate whether these features add value to your application.