Turn Your Palm PDA or Pocket PC 2003 into a High Performance Mobile Bar Code Scanner If you're a mobile professional using a Palm PDA or Pocket PC 2003 with an SDIO slot for an application requiring extensive data entry, Socket's SDIO In-Hand Scan Card may provide an incredible increase in productivity. Using manual or virtual keyboards is the slowest, most error-prone method of entering data into mobile computers. If the data to be entered is bar coded, using a bar code scanner is 50 times faster and 10,000 times more accurate than manual data entry.