With the development of wireless communication industry, WiFi communication is gradually promoted to public places, including public mobile transportation vehicles, such as buses, tour bus, subway, cruise ship etc.......

With the development of society and the rise of the e-commerce industry, online shopping has become more and more convenient, which has led to the rapid rise of the express delivery industry. With the increasing volume of express business, there are more and more problems in the process of delivery, such as：the community can't get in/out freely, the recipient is not there, the receipt is too slow......

In the banking system, most of the existing self-service devices (such as ATM terminals and self-service query terminals) are connected to the wired network. This wired access mode restrict the coverage of the self-service terminal......

With the popularity of new retail, people enjoy to buy the commodity from the 24 hours vending machine. Product origin and retail store data interconnection, intelligent transfer goods, virtual experience......

​​​​​​​In the era of rapid economic development, marketing and promotion are becoming increasingly hot, and outdoor advertising is increasing. However, the traditinoal management  is chaotic and low efficiency , lacks of scientific characteristics......

Commercial streets, stations and their surroundings, crowded sections, key communities, entertainment places and other public places have the characteristics of large people flow and high mobility. It usually become important crime sites of criminals......

The ground network of the traditional meteorological information system is built earlier, and the equipment performance is not good enough, the line speed is low, and the time is prolonged. It is difficult to meet the comprehensive data transmission requirements of automatic stations, sandstorms, radar etc.Satellite network coverage is small, low speed, and small stations can not directly communicate with each other, which limits the network function.

With the coming 5G era, core technologies such as artificial intelligence, big data and cloud computing, IoT and blockchain etc., can be quickly implemented to serve the new generation of logistics.  Along with the development of factory......

With the continuous development of enterprise office information and the trend of mobile office, many enterprises realize it is the time to upgrade the company's network base. Many enterprise has bad expirence with their original wired or wireless network......

The smart power grid is moving toward intelligent distributed feeder automation (FA) to provide power supply stability, fast response to outages, running topology calculations, and fast fault location and isolation. Energy network must realize......

With the progress of urbanization, the current decentralized management mode of secondary water supply has been unable to meet the requirements for secondary water supply management, water quality and pressure, and service quality......

In recent years, elevator accident happens time by time. there are two main factors for this situation: 1. the lack of regular maintenance, 2,people know less about the principle of elevator construction......