Easily connect your Serial Device to a USB port on a PC or Mac with the USB Serial Converter. It operates as a bridge between one USB port and a standard RS-232 Serial Port. Specification Prolific PL2303RA chipset USB to Serial 9 pin D sub male Compliant with the USB 1.1 Specification Supports RS-232 Serial Interface Supports 500Kbps data transfer rate Detects USB Suspend Supports Plug and Play Specification USB Host drivers available Draws power directly from USB no additional power adapter required Length: 20cm Upstream port: USB type A plug (Male) Downstream Port: D-Sub 9 Pin Connector (Male) Host Interface: USB BUS OS Supported: Windows 11 10 8/8.1 7 Mac OS 9.1 or higher