Cisco Wireless LAN Controller Module. Management protocols: TFTP, SNMP, HTTP. Security algorithms supported: AES, PKI, SSL, TLS, WEP, WPA, WPA2, Authentication method: RADIUS. Networking features: Wireless LAN. Dimensions (WxDxH): 39 x 180 x 183 mm, Weight: 0.4 kg. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -25 - 70 °C, Operating relative humidity range: 10 - 90 %