D-Link DSR-500/E, Ethernet WAN, Gigabit Ethernet, Black D-Link DSR-500/E. Networking standards: IEEE 802.3, Ethernet interface type: Gigabit Ethernet, Cabling technology: 10/100/1000Base-T(X). Mean time between failures (MTBF): 260000 h, Safety: cUL, LVD, Certification: FCC Class B, CE Class B, VCCI, C-Tick, IC. Product color: Black, Rack capacity: 1U. Antenna type: Internal. Width: 11" (280 mm), Depth: 7.09" (180 mm), Height: 1.73" (44 mm)