Cisco AIR-CT5508-50-K9. Management protocols: SNMP v1, v2c, v3, Telnet, TFTP, SNTP, HTTP, Data link protocols: IEEE 802.11a, 802.11b, 802.11g, 802.11d, WMM/802.11e, 802.11h, 802.11n. Security algorithms: WPA, Authentication method: IEEE 802.1X, RADIUS, TACACS. Data transfer rate: 0.1 Gbit/s, Cabling technology: 10/100/1000Base-T(X). Weight: 9.1 kg, Dimensions (WxDxH): 440 x 539 x 44.5 mm. Power requirements: 100-240, 50/60, Power consumption (typical): 115 W, Heat dissipation: 392 BTU/h

The Cisco® 5500 Series Wireless Controller is a highly scalable and flexible platform that enables systemwide services for mission-critical wireless in medium to large-sized enterprises and campus environments. Designed for 802.11n performance and maximum scalability, the 5500 Series offers enhanced uptime with the ability to simultaneously manage 250 access points; superior performance for reliable streaming video and toll quality voice; and improved fault recovery for a consistent mobility experience in the most demanding environments.