Product Description
The MT331NA GPS receiver is a versatile module designed for reliable and efficient global positioning. It excels in acquiring and maintaining satellite signals in challenging environments, such as areas with weak signal strength, thanks to its high sensitivity and robust tracking capabilities. This makes it a perfect fit for applications where stable and precise location tracking is critical.
Its multi-GNSS support enhances accuracy and availability by using additional satellite constellations such as GLONASS and QZSS, especially beneficial in regions where GPS satellite visibility is limited. By simultaneously tracking up to 22 satellites, the MT331NA ensures consistent and accurate positioning even in dynamic environments.
The module's low power consumption is ideal for portable and battery-operated devices. It offers modes such as standby and sleep, reducing energy consumption during idle periods, thereby extending the battery life of wearables, IoT modules, and navigation systems.
The MT331NA is equipped with Assisted GPS (A-GPS) functionality, which leverages external network data like Wi-Fi or cellular information to reduce time-to-first-fix (TTFF). This feature is especially useful in environments with poor satellite visibility, such as indoors or dense urban areas, enabling the chip to rapidly acquire position data.
The compact and integrated design of the MT331NA minimizes the need for additional components, making it cost-effective and easy to integrate into small devices. Its high update rate of up to 10 Hz ensures real-time tracking and smooth performance in dynamic applications like vehicle navigation, sports tracking, and drones.
In summary, the MTK MT331NA is a reliable, high-performance GPS module that combines sensitivity, efficiency, and versatility. Its features make it an excellent choice for a wide range of applications requiring precise and dependable location services. Whether used in automotive systems, wearables, IoT devices, or personal navigation tools, the MT331NA delivers robust performance and seamless integration.
Specification
Chip Type: Multi-GNSS GPS receiver.
Frequency Band: Operates in the L1 band (1575.42 MHz) for GPS.
Sensitivity:
Cold Start Sensitivity: -148 dBm.
Tracking Sensitivity: -160 dBm.
Accuracy:
Position Accuracy: ~2.5 meters in open-sky conditions.
Velocity Accuracy: 0.1 m/s.
Time Accuracy: ~50 ns.
Power Consumption:
Active: ~30-40 mA.
Standby Mode: Low power draw to extend battery life.
Acquisition Time:
Cold Start: 35-40 seconds.
Warm Start: 10-15 seconds.
Hot Start: <1 second.
Interfaces: UART and I2C.
Satellite Tracking: Capable of tracking up to 22 satellites simultaneously.
Update Rate: Up to 10 Hz for frequent position updates.
Operating Voltage: 2.7V to 3.6V.
Antenna Support: Compatible with both active and passive antennas.
