Main chip and integration The main chip is AT6558R satellite positioning chip. It integrates a radio frequency front end, a digital baseband processor, a 32bit RISC CPU, power management, and active antenna detection and protection functions. This onechip solution reduces board area and simplifies integration while delivering core GNSS capabilities with protection features. Multiconstellation support Supports BeiDou (BDS), GPS, and GLONASS, enabling multisystem joint positioning. This enhances coverage and reliability in challenging environments such as urban canyons or situations with partial satellite visibility. integrated SOC development board A integrated SOC development board with a ceramic antenna and a performance BDS/GNSS multimode satellite navigation receiver. It provides a compact, readytointegrate solution for GNSSbased positioning and timing applications. Key attributes Function: satellite navigation receiver with integrated RF front end, digital baseband, 32bit RISC CPU, power management, and active antenna detection and protection. Compatibility: BeiDou (BDS), GPS, GLONASS; supports multisystem joint positioning. Size and material: integrated SOC development board with a ceramic antenna. Performance: performance BDS/GNSS multimode receiver. Use scenarios 1) Autonomous drones and unmanned vehicles requiring reliable multiconstellation positioning for navigation, autopilot, and mapping tasks. 2) Vehicle telematics and fleet management to improve tracking accuracy and robustness in urban environments. 3) Outdoor surveying, asset tracking, and field data collection in challenging environments where multiconstellation GNSS improves fix availability and reliability.