The Realtek RTL8211FG-CG/RTL8211FG-VS-CG/RTL8211FGI-CG/RTL8211FGI-VS-CG is a highly integrated Ethernet transceiver that is compatible with 10Base-T, 100Base-TX, and 1000Base-T IEEE 802.3 standards. It provides all the necessary physical layer functions to transmit and receive Ethernet packets over CAT.5 UTP cable. The RTL8211FGI-CG and RTL8211FGI-VS-CG are manufactured to industrial grade standards.