Cisco 1 Gigabit Ethernet SFP Module 10/100/1000BASE-TUpgrade and expand your data network with Cisco's 1 Gigabit Ethernet SFP Module 10 100 1000BASE T. This copper based SFP transceiver delivers flexible, high speed Ethernet connectivity across a range of environmentsfrom busy data centers to campus networks and branch offices. With support for 10 100 1000 Mbps over a standard RJ 45 interface, it provides a reliable, cost effective pathway to extend copper based links without the need for fiber cabling