This USB-C to DB9 Serial RS232 adapter is an ideal solution for connecting a Serial RS232 device to a USB Type-C port. The adapter allows point-of-sale terminals, serial modems, industrial equipment, and other serial RS232 peripherals to interface directly with a USB Type-C port. This adapter has a data transfer rate of over 230 kbps and uses no IRQs, so there are no IRQ conflicts. Multiple adapters may be used on a single computer allowing multiple serial devices to be connected simultaneously. This adapter cable is a perfect accessory for Microsoft® Surface® products and other leading laptops.