WANs cover a larger geographical area and are often used to connect multiple locations or large corporate networks, such as in the banking industry or at military bases. They usually require multiple servers that communicate information between locations, allowing large scale sharing of data, files, applications, hardware and software. There is also a possibility that you can incorporate a VPN, or Virtual Private Network, which allows your employees to log into the system from a separate and remote location, such as a home computer.wanSimply call us today or contact us online to arrange your own site survey. Our dedicated account managers will assess your business environment and business needs, and design a bespoke network to suit your specific requirements. A computer network that spans a relatively large geographical area. Typically, a WAN consists of two or more local-area networks (LANs). Computers connected to a wide-area network are often connected through public networks, such as the telephone system. They can also be connected through leased lines or satellites. The largest WAN in existence is the Internet.