This xenta usb20 to ethernet adapter is a great way to add instant network capability to a pc or laptop features compliant with the standard specification of usb 11 and 20 usb 20 to 10100mbps fast ethernet ieee 8023u 100base t tx compatible fullhigh speed usb 20 device with bus power capability supports 4 endpoints on usb full duplex or half duplex operation on fast ethernet supports automatic loading of ethernet id usb descriptor and adapter configuration supports suspended mode