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School/Analyse/Layers/1. Physical Layer.md
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@ -116,3 +116,7 @@ This will reduce the impact noise has on the signal.
This is also called signal to noise ratio (SNR) This is also called signal to noise ratio (SNR)
## Transmission Media
These signals are send through a transmission medium. A transmission medium is a physical object that can carry the information from source to destination.
Transmission mediums are often space (air), metallic cable or fibv