INFRARED WIRELESS

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Advantages

Simple to implement

Low power consumption

Invulnerability to interference from traditional sources such as RF

Signals cannot be jammed (diffused)

User can move his/her station without reconfiguring the network

Infrared frequencies are free and available to anyone who wants to use them

One time cost of equipment and installation

Disadvantages

Cannot penetrate through walls or other solid object

Usually requires direct line of sight

Range is typically 3 feet (directed)