ATEN"s UC2322 is a RS-232 to USB converters which offer the user 2 serial port connection through USB interface. People can connect multiple serial devices through one USB port on their system. Each serial port offers data transfer rate up to 115.2 Kbps for high performance. UC2322 provides a quick, simple, and cost-effective solution and is ideal for various communication and automation applications. Package Content: 1 x UC2322 1 x USB Cable 1 x Installation Disk 1 x User Manual 1 x Quick Start Guide