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 & 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