Wireless LANs (WLAN) transmit and receive data using radio or infrared signals, sent through an access point (AP), and are not usually required to have radio frequency (RF) licenses. WLANs are local to a building or a campus and are an extension of the wired network.
The Cisco Unified Wireless Network concept has five components that work together to create a complete network, from client devices to network infrastructure, to network applications. Cisco has equipment appropriate to each component. Table 9-1 lists components and equipment.
Table 9-1. Cisco Unified Wireless Network Components
Cisco wireless IP phones have the same features ...