Dunfeng Technology's Tunnel Personnel Precision Location System. Utilizes UWB technology with accuracy exceeding 30 cm and recognition speed of 1000 images per second. The system boasts high precision, large capacity, excellent real-time performance, and no missed cards. It provides management with real-time location, historical track playback, video联动 tracking, LED screen real-time statistics, integrated access control, tracking and locating tunnel engineers, personnel and vehicle attendance, electronic fence, behavior analysis, multi-card judgment, post-disaster emergency response, daily management, and intelligent patrol functions. It helps the management identify and improve weaknesses, preventing construction safety accidents.