Product Description
The MTK MT3318T is a robust GPS receiver solution tailored for applications requiring precise and efficient location tracking. Its high sensitivity enables it to acquire and maintain satellite signals even in weak-signal environments, such as dense urban areas, indoor settings, or under heavy foliage. This ensures uninterrupted location tracking and navigation, even in challenging conditions.
The chipset's low power consumption makes it ideal for portable and battery-operated devices. By offering energy-efficient operation and power-saving modes, the MT3318T extends battery life, making it suitable for wearables, fitness trackers, IoT modules, and other compact systems.
The fast time-to-first-fix (TTFF) capabilities of the MT3318T ensure quick position acquisition. Whether starting from a powered-off state (cold start) or resuming from a paused state (hot start), the chipset provides rapid and reliable fixes, crucial for real-time applications like automotive navigation, drones, and outdoor sports devices.
Its support for Assisted GPS (A-GPS) further enhances performance by reducing TTFF and improving accuracy in environments with limited satellite visibility. By leveraging network-based data, A-GPS helps the MT3318T achieve faster satellite acquisition, especially in dense urban areas or during indoor operation.
The chipset's compact design integrates key GPS components into a single module, simplifying system integration and reducing overall design complexity. Its high update rate of up to 10 Hz ensures smooth and accurate position tracking in fast-moving applications, such as automotive systems and dynamic sports monitoring.
In addition to supporting up to 22 satellite channels, the MT3318T delivers reliable and accurate positioning data. It is compatible with standard interfaces such as UART, allowing seamless integration with various microcontrollers and embedded systems.
Specification
Chip Type: Single-chip GPS receiver.
Frequency Band: Operates in the L1 band (1575.42 MHz).
Sensitivity:
Cold Start: -148 dBm.
Tracking: -160 dBm.
Accuracy:
Position Accuracy: ~2.5 meters in open-sky conditions.
Velocity Accuracy: 0.1 m/s.
Time Accuracy: ~50 ns.
Acquisition Times:
Cold Start: ~35-40 seconds.
Warm Start: ~10-15 seconds.
Hot Start: <1 second.
Power Consumption:
Active Mode: ~30-40 mA.
Standby Mode: Power-saving functionality available.
Update Rate: Up to 10 Hz.
Interfaces: Standard UART or I2C for seamless system integration.
Satellite Tracking: Supports tracking of up to 22 satellites simultaneously.
Operating Voltage: 2.7V to 3.6V.
Antenna Support: Compatible with both active and passive antennas.
