The StarTech 2 Port CardBus RS232 Serial Adapter, manufactured by StarTech.com, adds two RS232 serial ports to a laptop or computer with a CardBus (PCMCIA) slot. This adapter enables high-speed data transfer and compatibility with various operating systems. It is commonly used for connecting devices like modems, serial printers, and barcode scanners. Equipped with UART technology, the adapter ensures reliable and efficient serial communication at speeds of up to 115.2 Kbps. The StarTech 2 Port CardBus RS232 Serial Adapter is a convenient solution for situations where additional serial connectivity is required, making it suitable for industrial settings and field service applications.