The RTL8201BL-LF is a Fast Ethernet single chip transceiver from Realtek. It is designed to provide an interoperable Ethernet physical media link between a MAC and PHY. It features Auto-negotiation and Integrated Error Detection and Correction. LED indicators indicate link and speed status. The RTL8201BL-LF is an ideal choice for 10/100M Ethernet applications, such as Home Gateways, Network Interface Cards (NICs) and other Networking applications.