The 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.