The network card supports fast data transfer rates of 10, 100 and 1000 Mbit / s (semi-duplex) and 20/200/2000 Mbit (full duplex).
It has an RJ45 LAN connection and an automatic speed selector. The 2 integrated LEDs indicate connectivity and data transfer. Full duplex
Means that it allows bi-directional data transfer in parallel. With semi-duplex, The chipset can receive and send data alternatively.