Iocrest USB 2.0 10/100Mbps RJ45 LAN Adapter (SY-ADA24027) Integrates 10/100Mbps Fast Ethernet Mac/PHY IEEE 802.3 10baset-t/100baset-tx compatible Supports twisted Pair crossover detection Support full duplex operation with IEEE 802.3x flow control Supports 2 VLAN ID filtering ASIX AX88772B Chipset Integrates On-chip USB 2.0 Transceiver and SIE Compliant to USB Specfication 1.1 and 2.0 Supports Full Duplex Operation with IEEE 802.3x Flow Control and Half Duplex Operation with Back-pressure Flow Control