The Corechips RD9700 is a USB 2.0 to Ethernet adapter. It allows a computer or other device with a USB port to connect to a wired Ethernet network. The RD9700 chip is used by many manufacturers to create USB Ethernet adapters, and it is compatible with a wide range of operating systems, including Windows, Mac OS, and Linux.
The RD9700 chip supports 10/100 Mbps Ethernet connections and uses USB 2.0 for data transfer. It is a plug-and-play device, meaning that it does not require any special drivers or software to be installed on the computer.