A USB to LAN adapter is a device that allows you to connect a computer or other device to a wired Ethernet network using a USB port. Here are the key features of a typical USB to LAN adapter:
Supports USB 3.0 or USB 2.0 for data transfer rates up to 480 Mbps
Provides a RJ45 Ethernet port for connecting to a LAN cable
Supports 10/100 Mbps or Gigabit Ethernet speeds ( Mbps)