In the field of smart cities, Internet of Things technology allows various municipal system facilities in the city to be intelligently interconnected, realizing intelligent management and services of "things" in the city. Alotcer provides industrial wireless routers, smart gateways, and industrial wireless data based on Internet of Things technology. Products such as terminals, vehicle-mounted terminals, industrial Ethernet switches and cloud platforms and related smart city IoT solutions meet the network communication needs of municipal, community, transportation, security, building and other facilities to achieve system interconnection and smart city management and operation. Improve urban management efficiency.