From the ManufacturerIOGEAR USB 2.0 to Serial/PDA Converter Cable GUC232AThe USB to Serial RS-232 Adapter provides one RS-232 Serial (DB-9 male) connector via one standard USB port at a data transfer rate of up to 230Kbps. You can instantly enjoy connectivity with modem, PDA, POS, or other serial devices on your PC or Mac without the hassle of opening your computer case. It provides a quick, simple, and cost-effective solution and is ideal for various communication and automation applications. This makes the USB interface transparent to serial peripherals, allowing them to easily interface with USB computers and eliminates the setup hassle found with traditional serial port connections. This device also supports energy saving suspend and resume operations.Key Features USB 1.1 and USB 2.0compatible Works with serial peripheral devices, converts the serial interfaceto USB connection 16" cable length LED status light for data transfer monitoring Supports the RS-232 Serial interface Supports automatic handshake mode Up to230Kbps data transfer rate Supports remote wakeup and power management Provides a 96 byte buffer for each upstream and downstream data transfer Easy Installation No IRQ required How it worksRequirements:For PC Users Windows® XP, Windows® Vista, Windows® 7 Available USB portFor Mac Users Mac OS X v10.3.9 or above Available USB portWhat's in the Box:GUC232A USB to Serial adapter cable, Installation CD, User Manual and Warranty/Registration CardWarranty:3-year warranty About IOGEARIOGEAR headquartered in Foothill Ranch, CA, offers innovative Consumer Electronics and IT solutions that enable convergence through connectivity in the home, at the office and on the go. Founded in 1999, the company provides a broad range of products that help integrate technologies in everyday life, share resources, decrease clutter and energy consumption, and reduce electronic waste.The company is environmentally-conscious and emphasizes conserving natural resources to employees and customers through its GREEN initiatives. In addition, IOGEAR has partnered with Trees for the Future to plant one tree for every product purchased on its Web site or by members of its GREEN initiative partner program.IOGEAR distributes throughout North and South America, Europe and Asia.Product DescriptionThe USB PDA/Serial Adapter (GUC232A) provides you with an external serial (DB- 9 male) Plug-n-Play connection for use with computers, notebooks, and hand held computing devices that support USB. The PDA/USB Serial Adapter has a standard type A USB plug. The GUC232A works great with GPS devices allowing you to convert the serial interface, typically found on GPS units, to USB. This USB PDA/Serial Adapter provides PDAs, digital cameras, modems, and ISDN terminal adapters with high quality serial connections at a data transfer rate of over 230Kbps. This makes the USB interface transparent to serial peripherals, allowing them to easily interface with USB computers. This eliminates the setup hassle found with traditional serial port connections. This device also supports energy saving suspend and resume operations.