Targus PA088U USB to Serial Port Adapter - USB to RS232 Interface Adapter The Simplest Way to Attach a Notebook or Desktop Computer to a Serial Modem, Mouse or PDA Cradle Allows Plug and Play Capabilities for Your Peripherals Including PDA Cradles, Modems, Mice, Card Readers, Barcode Readers, Label Writers, Digital Cameras,Security Systems, Fingerprint Verification and More Portable - Compact and Lightweight