Cisco 5508 Wireless Controllers deliver reliable performance, enhanced flexibility, and zero service-loss for mission-critical wireless. 802.11n offers up to nine times the performance of 802.11 a/g networks. Interactive multimedia applications, such as voice and video, can now perform flawlessly over the wireless network, and clients can conveniently roam with no service interruption. Flexible licensing allows you to easily add access point support or premium software features.