Wireless local area network, or WLAN, some kind of local network are applied in which to transfer information from one point to other the radio waves used. Important advantage of a wireless network is need to the the wiring does not have, and thus users can be in the range of the network are swapped.

development, includes a special solutions and industrial contracts (protocols) proprietary, etc., except in the late 1990's, all with the new standards switching , especially completed different from the IEE 802.11), Wi-Fi) (different definitions see below) and HomeRF (lines, 2Mbit/s, which for the user, considered were). A technology alternative is similar to the ATM, 5 GHz, etc. HIPERLAN, etc., according to political factors, and market, etc. the less successful appeared to be.

to establish a wireless local area network, or WLAN, two types of infrastructure or topology, there are : point-to-point (peer-to-peer) or case (ad-hoc) and state that it mode, a foundation, or infrastructure) is said to be.