Transmission Medium

• Wired Communication - uses a physical cable to transfer data.
• Wired Communication:

  • Twisted Pair Cable (Ethernet)
  • Coaxial Cable (Cable TV and broadband)
  • Fiber Optic Cable (high-speed internet, data centers)
• Wireless Communication - does not need a cable; uses satellite signals to transfer data.
• Wireless Communication:

  • Microwave
  • Radio Waves
  • Wireless Fidelity (local area networks)
  • Bluetooth (short-range device communication)
  • Infrared
  • Satellite Communication (GPS, sat. internet)