network transmission media

• Transmission media

  The channel in which data can be sent through
• Media

  The substance being used to transmit data
• Wireless communication

  • Uses radio waves
  • Specific standards like Wi-Fi and Bluetooth have a set of rules and frequencies
• Wired network

  Transmits data using electrical signals through cables
• Copper cables

  • Made of parallel copper wires
  • Suffer from crosstalk and interference
• Coaxial cables

  • Wrap insulation around copper to reduce interference
• Fiber optic cables


  • Transmit data using pulses of light through a transparent core
  • Have low latency and high bandwidth
  • More expensive and can be brittle
• Interference

  Can degrade data transmission in both wired and wireless networks