Abstract: In view of problem of difficult monitoring to mine mobile equipments, the paper proposed a wireless broadband transmission system for mine mobile equipments based on wired/wireless hybrid network platform. It gave architecture of the system, researched key technologies of theory of wireless signal transmission in mine complex tunnel, mobile equipments oriented wireless roaming switch and mine long distance multi-hop chain transmission, introduced core equipments of the system, including mine-used wireless switchboard, mine-used wireless relay equipment, mine-used wireless terminal and mine-used intelligent integrated access gateway. And it discussed application mode of the system in wireless video monitoring system of endless rope winch.