1x USB-to-Serial Converter 1x QR Code - For downloading the driver 1x User Instructions. USB to RS-232 Adapter. The Aten UC232A USB-to-RS232 serial port converter is ideal for laptop and desktop computers that do not have a COM or DB9 serial port. The UC232A offers a connectivity solution for industrial automation systems, scientific instruments, point of sale systems, and other specialised industrial and consumer applications. Support the RS232 Serial interface Full compliance with the USB Specification Up to 230 Kbps data transfer rate Works with cellular phones, PDAs, digital cameras, modems or ISDN terminal adapter OS Compatibility: Windows, Mac, Linux