A PAN is a network that is used for communicating among computers and computer devices (including telephones) in close proximity of around a few meters within a room. It generally consists of a mobile computer, a cell phone or personal digital assistant. PAN enables the communication among these devices.
It can be used for communicating between the devices themselves, or for connecting to a larger network such as the internet. PAN’s can be wired or wireless. The reach of a PAN is typically a few meters.