&Nbsp;The industrial class long-distance mobile roaming wireless communication equipment of BDX can meet the requirements of the route coverage of ships in waters such as sea areas, rivers, lakes, etc., and solve the network access of ships in the process of travel. The base station coverage radius can reach 35-50KM. The system supports automatic roaming and switching between base stations, which can ensure continuous large-scale network coverage within the coastline and river basins, and ensure the continuous access of ships. Realize broadband wireless network access for law enforcement vessels, operational vessels, passenger ships, and other vessels.