Wireless communications can be via:
- radio communication,
- microwave communication, for example long-range line-of-sight via highly directional antennas, or short-range communication,
- light, visible and infrared (IR) for example consumer IR devices such as remote controls or via Infrared Data Association (IrDA).
- sonic, especially ultrasonic short range communication
- electromagnetic induction short range communication and power
Applications may involve point-to-point communication, point-to-multipoint communication, broadcasting, cellular networks and other wireless networks.
Read more about this topic: Wireless
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Famous quotes containing the word modes:
“Sight and all the other senses are only modes of touch.”
—Samuel Butler (18351902)
“The human condition is such that pain and effort are not just symptoms which can be removed without changing life itself; they are the modes in which life itself, together with the necessity to which it is bound, makes itself felt. For mortals, the easy life of the gods would be a lifeless life.”
—Hannah Arendt (19061975)
Worked with a dim and undetermined sense
Of unknown modes of being; oer my thoughts
There hung a darkness, call it solitude
Or blank desertion.”
—William Wordsworth (17701850)