Wireless Access Point (WAP) is a hardware device or configured node on a Local Area Network (LAN) that allows wireless capable devices to connect through a wireless standard.
A wireless access point can be added in locations that have bad wireless network ability to help to extend a wireless network.
n order to build a more reliable wireless network, wireless AP is widely used in business and larger hotspot WLANS to cover a bigger area, to support multiple concurrent connections and to manage multiple SSIDs. For instance, some businesses usually needed to use several wireless access points with high performance to support resilient wireless access services for use in enterprise offices.
As a rule of thumb, after the wireless access points came into the scene, AP is the one with higher performance and can met with more demands for a WiFi architecture.