01; Wireless Network Adapter; A hardware component of mobile devices that implements wireless data transmission technology. As a rule, all modern devices are already equipped with these, but if you need to connect a desktop computer to a wireless network, you may need to install a separate adapter; 02; Wireless Network Access Point; This device is a base station designed to provide wireless access to the pre-existing network infrastructure for mobile clients. Wireless access points have a port to connect to a wired network, which allows you to link them to wired switches and merge wired and wireless networks into a single network infrastructure. Additionally, access points can be equipped with various types of antennas, enabling you to solve different tasks when setting up a network, whether it's connecting numerous nearby wireless terminals or linking remote access points over long distances; 03; Wireless Network Controller; Allows the automation of the management process of wireless network infrastructure. The controller is also responsible for the security, monitoring, and distribution of load across access points, enabling the central management of the wireless network;