ZKManet Technology Co., Ltd. and the Emergency Rescue Branch of the Coal Science Institute conducted on-site testing and drills in coal mines. This drill combined practical combat with on-site scenarios, fully practicing and testing various emergency situations and rescue needs underground in coal mines. It formed a complete set of practical combat plans, innovated and developed practical equipment for underground rescue based on combat requirements, and upgraded research results. The test drill basically met the coverage requirements for underground emergency communication, while also identifying the characteristics of underground communication, providing real-world data for further equipment upgrades.