Cisco AIR-CT3504-K9 Wireless Local Area Network Controller

The Cisco AIR-CT3504-K9 Wireless LAN Controller is an 802.11ac centralized controller designed to manage and control access points in enterprise wireless networks, supporting up to 100 APs under license with capacity to reach 150 APs with additional licenses. It supports up to 3,000 clients and provides 4x Gigabit Ethernet ports plus 1x Multigigabit Ethernet uplink, with management options including Web GUI, CLI, Cisco Mobility Express, and Cisco Prime Infrastructure for scalable deployment across office campuses, schools, hospitals, and retail facilities. Security features include WPA2/WPA3, 802.1X, and rogue AP detection, while mobility features cover seamless roaming and RF management; the unit is desktop- or rack-mountable and draws power from an external AC adapter. Common replacements include Cisco C9800-L-C-K9.