Another interesting short-range wireless technology is known as infrared, or the IrDA (Infrared Data Association) standard. Infrared technology uses light waves to send and receive data. Most laptops, PDAs, printers, and a number of other mobile devices come packed with an infrared port ready for use. The trick with using infrared as a method of sending data is that you must have a line of sight of within a few feet for the signal to catch. It is however, extremely useful for sending data to printers when a USB or parallel cable is not readily available.

The functions of infrared are much more extensive than the authors of this book can possibly discuss in this text. Suffice it to say that infrared is currently used in photo and video cameras, defensive weapons, and a number of other applications that we won’t go into. From a mobility perspective, infrared technology will always be an extension of communication and connectivity with other devices.

Taken From : Enterprise Guide to Gaining Business Value from Mobile Technologies

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