What is WI-FI?
Wi-Fi (Wireless Fidelity) is a technology that allows devices like computers, smartphones and tablets to connect to the internet or communicate with each other wirelessly. It uses radio waves to transmit data over short distances.
Benefits:
- Mobility: Users can access the internet and network resources without physical cables.
- Convenience: Easy setup and connection to networks.
- Flexibility: Devices can be used in various locations.
- Scalability: Wi-Fi networks can be easily expanded to accommodate more devices.
Use Cases:
- Home networks: Connecting computers, smartphones, smart TVs and IoT devices.
- Public hotspots: Providing internet access in cafes, airports and public spaces.
- Enterprise networks: Connecting employees and devices within offices and campuses.
- Outdoor environments: Creating Wi-Fi hotspots in parks, stadiums, and events.
Key Components:
- Wireless router: A device that broadcasts the Wi-Fi signal and connects to the internet.
- Wireless access point (WAP): Similar to a router but typically used to extend coverage.
- Wi-Fi adapter: Built-in or external hardware in devices that enable Wi-Fi connectivity.
- Wi-Fi standards: Define the technology’s capabilities and speed (e.g., 802.11a, b, g, n, ac, ax).
