An access point that conforms to the ieee 802.11b standard behaves similarly to Hub.
What is access point?
A wireless access point (WAP), or more commonly called access point (AP), is a networking hardware device in computer networking that enables other Wi-Fi devices to connect to a wired network.
The AP may be a separate device with a cable connection to a router, but with a wireless router, it may also be a crucial part of the router itself.
An access point differs from a hotspot, which is a real-world site with Wi-Fi connection.
An access point (AP) establishes a direct connection to a wired local area network, often Ethernet, and uses that connection to offer other devices with wireless connectivity through wireless LAN technologies, most commonly Wi-Fi.
APs allow several wireless devices to connect via a single cable connection.
To know more about access points, refer to the following link