The RTL8211FD-CG is a RoHS compliant Ethernet integrated circuit (IC) manufactured by Realtek. It is designed to provide high performance, low power consumption, and reliable Ethernet connectivity. It features 5x5 QFN-40-EP packaging, Gigabit Ethernet speeds of up to 1000Mbps, adaptive & intelligent interrupt, Adaptive Cable Length Detection and integrated IEEE1588 Precision Time Protocol/Supporting global time synchronization. The RTL8211FD-CG is typically used in both home and office networks, and industrial applications requiring Gigabit performance. It is IEEE 802.3, 802.3x, and 802.3u compliant, and supports IEEE 802.3ab, Jumbo frames up to 9216 byte Hashing and Flow control. It features advanced packet dropped and priority bit features, and supports full-/half-duplex operation.