Simply attaches to a PCEs USB ( Universal Serial Bus) port and gives user the wireless data transfer for data logging, synchronization, file transfer, backup, printing or network access Supports FIR (4Mbps) and all SIR speed ( 9.6K, 19.2K, 38.4K, 57.6K and 115.2 Kbps) Compatible with any IrDA-capable notebook PC, PDA, modem, printers, instruments data terminals, digital camera, image capture device and others. Takes advantage of the true plug-and-play feature and the high bandwidth (12 Mbps) of USB specification. Does not occupy PCEs COM or Parallel port and has no complicated port and resource setting and conflict, such as I/O address, IRQ / DMA numbers Obtain power from USB port. No external power supply required. Low standby power (Less than 0.5 mA). Work easily with the link application software built into Windows 2000, Millennium, 98SE and XP