3com Wireless LAN Controller WX4400. Management protocols: SNMP, HTTPS, Data link protocols: Ethernet. Data transfer rate: 1000 Gbit/s, Networking features: Ethernet/Fast Ethernet, Switching capacity: 3.6 Gbit/s. Dimensions (WxDxH): 441 x 256 x 88 mm, Weight: 3.6 kg. Power requirements: 90-250VAC, 47-63 Hz, Power consumption (typical): 350 W. Operating temperature range (T-T): 10 - 50 °C, Storage temperature range (T-T): -20 - 70 °C