Serial Port Keyboard Wedge Software. Plexis KeyInjector serial data acquisition software enables serial devices such as barcode scanners, magnetic stripe readers, gauges, electronic scales, sensors, and laboratory instruments to communicate with any Windows application. Plexis KeyInjector will accept data from almost any serial device operating via a serial RS232 port and convert the data to keystrokes. This allows data to be entered directly into any Windows application as if it was typed in using the keyboard. All serial barcode scanner owners should have a copy. Quick and easy installation and setup. Main Features: Serial Keyboard Wedge Software, No Additional Hardware Required, Supports COM1 through COM4, Transfer serial data as keystrokes, No additional programming required, Customization and co-branding available.