- Supports BeiDou (BDS), GPS, and GLONASS, enabling multi-system joint positioning for improved reliability and faster fixes in challenging environments. - Core chip: AT6558R satellite positioning IC with integrated RF front end, digital baseband processor, 32-bit RISC CPU, and power management plus active antenna detection and protection functions. - Highly integrated SoC development board with a ceramic antenna, delivering a high-performance BDS/GNSS multi-mode receiver. - Benefits: reduces development time and BOM, provides compact and robust positioning solution, and automatically detects and protects the active antenna for reliable operation. - Compatibility and performance: multi-mode GNSS receiver supporting BDS, GPS, and GLONASS; designed for precise positioning in diverse outdoor conditions. - Material and form: compact development board with a ceramic antenna. - Use scenarios: 1) Vehicle navigation and fleet tracking requiring reliable multi-constellation coverage. 2) Autonomous drones or robotics that need precise, fast positioning and stable lock. 3) Field surveying, handheld data collection, and outdoor asset tracking with portable GNSS devices.