Another is wireless the concept of the network is directional antenna. Hypothesis had installed the system of local area network of fine line of a cloth in the working building A in you. Want to expand its now the building outside 1 kilometer / in B. A kind of method is in the wiring between Lou Yu, another kind of method is directional antenna is installed inside two Lou Yu, two antenna are opposite. And join the disembarkation inside the local area network inside corresponding building is nodded go up. This was in one case repeatedly with respect to the local area network that differs two. Use case.
From the point of the case that uses at present: Technology of wireless LAN net is outspread to a kind of common local area network. - - measure of real time connective is provided between the user that handles official bussiness for shift and network. Gained a success in a lot of industries. At the same time data of wireless technology, mobile computation technology, bar code collects technical union, make a kind of new product----RF(is wireless) hold emerge as the times require of bar code terminal, the government of storage discrepancy library that uses extensively at content to shed a domain, goods examines, carry, each link such as management of industrial product line. For example: The Boeing plane manufactory that is in the United States is one of companies that use wireless communication technology the earliest. Many project blueprint, data is in through wireless technology stylist, craft member, move back and forth is transmitted between product line mechanic. Satisfied the need that data shares namely, do not need to be between departmental door again wiring. Reduced project cost greatly. In storehouse management, as a result of the much denaturation of product breed, style, make storehouse administrator frequent handle all sorts of discrepancy library bills, come-and-go moves back and forth between the computer and storehouse. Cause work efficiency low, error rate is higher. Use wireless bar code to hold terminal, make storehouse administrator can in time be passed in any places wireless transmit the discrepancy library that gets be transmitted by MRP/ERP system to forecast an announcement, undertake according to holding the clew of terminal Mi Cao is made coming in and go out. Use bar code technology to scan one by one at the same time a form code on goods, 皅 of desired result goods allows 碸 sex. Flow chart of put in storage is shown as follows: If systematic configuration pursues:
If systematic configuration pursues: 
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