The UC-232A USB Serial Adapter provides an external plug-and-play RS-232 serial connection with your computer, letting you free up your existing serial port. Users have the capability to utilize the adapter with serial port interface in an easy-to-use environment, the adapter is designed for connections to Cellular phone, PDA, digital cameras, modems, or ISDN terminal adapters through your USB port with over 500 kbps data transfer rate.