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Unguided Media

The planet Earth surrounded by many types of communication devices. Source: Microsoft.

Unguided media relates to data transmission through the air and is commonly referred to as wireless. The transmission and reception of data is carried out using antenna.

There are two main ways that antenna work:

  • Directional (in a beam)
  • Omnidirectional (all around)

Click on this link to review the wikipedia resource on directional antenna and this link for omnidirectional antenna.

Next: Radio Transmission