The Allystar TAU951M-P2 Series is a dual-band, high-precision RTK (Real-Time Kinematic) GNSS positioning module built on the 22nm CYNOSURE IV dual-core SoC architecture.
Key Specifications
* Constellations: GPS, BDS (including BDS-3 signals B1C, B2a), GLONASS, Galileo, QZSS, NavIC, and SBAS
* Channels: 128 concurrent hardware channels
* Update Rate: Up to 10 Hz
* Position Accuracy:
* GNSS: 1.0 m CEP
* SBAS: < 1.0 m CEP
* RTK Horizontal: 1.0 cm + 1 ppm
* RTK Vertical: 2.0 cm + 1 ppm
* Time to First Fix (TTFF): Hot start 1s, Cold start 27s
* Sensitivity: Down to -165 dBm (tracking & navigation)
* Interfaces: UART, SPI, I2C
* Power Supply: 1.75V to 3.63V (Main / Digital I/O), 1.62V to 3.63V (Backup)
* Power Consumption: ~30 mA @ 3.3V (Dual-band GNSS tracking), ~18 mA (Single system), ~16 µA (Data backup)
* Form Factor: 16.0 × 12.2 × 2.4 mm (24-pin LCC package)
* Operating Temperature: -40°C to +85°C
Target Applications
* Robotic lawnmowers and autonomous vehicles
* Unmanned Aerial Vehicles (UAVs) / Drones
* Precision agriculture
* Surveying and mapping
* Intelligent transportation systems
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