This gateway is based on 5G‑RedCap lightweight technology and specially designed for underground coal mines, serving as a low‑cost, low‑power wireless communication hub.It requires no complex cabling and can stably connect hundreds of distributed devices, enabling real‑time data backhaul and remote intelligent control.It covers more than 200 nodes including compressed air supply, water supply, hydrological monitoring, dust prevention, temporary drainage, and traffic signals.By replacing traditional cabling, it realizes pipeline network monitoring, water hazard early warning, dust control linkage, and intelligent traffic signal control.Deployment efficiency is improved by more than 50%, while cost and power consumption are significantly lower than those of conventional 5G gateways.It provides a cost‑effective, easy‑to‑deploy full‑scenario wireless connectivity solution for mine intelligentization.