Speed will probably be the biggest issue. If you currently have a 100mb/s netowrk you'll drop to 10 mb/s using wireless.
A wireless LAN does not need wires to connect; therefore, devices using a WLAN can be very mobile and are not constrained by physical wiring.
Sharing of files and resources from multiple workstations, printers or computers.
See a previous answer. The link is provided as related link
ring ZH