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Chapter 4 Transmission Media - PowerPoint PPT Presentation
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Chapter 4 Transmission Media. Transmission media types Wire Wireless. Wire Media. Copper Coaxial Twisted pair Optical Fiber Optical Fiber No electrical interference Less attenuation More difficult to work with and troubleshoot. Wireless Media. Radio frequency (RF) transmission
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Chapter 4 Transmission Media
- Transmission media types
- Wire
- Wireless
Wire Media
Copper
- Coaxial
- Twisted pair
Optical Fiber
- Optical Fiber
- No electrical interference
- Less attenuation
- More difficult to work with and troubleshoot
Wireless Media
- Radio frequency (RF) transmission
- Broadcast in all directions
- Used in satellite transmission
- Used in wireless LAN (IEEE 802.11b)
- Microwave transmission
- Operate at higher frequency
- Unidirectional (line of sight)
- Infrared transmission
- Limited to small area
- No antenna required
