Red4Power R4-N009B. Supported data transfer rates: 10, 100 Mbps. Networking standards: IEEE 802.3, IEEE 802.3ab, IEEE 802.3u. Copper ethernet cabling technology: 100BASE-TX, 10BASE-T. Supported network protocols: CSMA/CD. Width: 75 mm, Depth: 135 mm, Height: 25 mm