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IrDA is designed to support transmission of data between two devices over short-range point-to-point infrared at speeds between 2.4 Kbps and 16 Mbps.
SIR (115 Kbps) and FIR (4 Mbps) IrDA hardware can easily be added to a desktop computer by attaching a dongle to a serial port (SIR) or by adding a card and a dongle (FIR).
In Windows XP, support is included for USB-attached and VFIR (16 Mbps) IrDA devices.