1. Wired Transmission Media:
- Twisted Pair: Copper wires twisted in pairs.
- Coaxial Cable: A type of cable with a central conductor surrounded by a shield.
- Fiber Optic Cable: A cable that uses glass or plastic fibers to transmit light pulses.
2. Wireless Transmission Media:
- Radio Waves: Electromagnetic waves that can travel through air and solid objects.
- Microwaves: High-frequency radio waves used for various purposes, including satellite communications and Wi-Fi.
- Infrared (IR): Light waves that are invisible to the human eye and used for short-range communication.
- Bluetooth: A wireless technology used for short-range communication between devices.
- Wi-Fi (Wireless Fidelity): A wireless technology that uses radio waves to provide high-speed internet and network connections.
- Cellular Networks: Wireless networks that use radio waves to transmit data between mobile devices and cell towers.
- Satellite Communication: Communication that uses satellites in space to relay signals between two or more locations on Earth.
These are some commonly used transmission media, and there may be others that are still in development or used for specific purposes.