Wireless LANs can provide the benefits of network connectivity without the restriction of being tied to a location or tethered by wires.  Wireless connections can extend or replace a wired infrastructure in situations where it is costly or prohibitive to lay cables.  Temporary installations represent one example of when a wireless network might make sense or even be required.  Some types of buildings or building codes may prohibit use of wiring, making wireless networking an important alternative.  The major advantage of a wireless network is that of mobility.  Workstations will no longer have to be stationery.  Other advantages of a wireless network include: