Why…Fi? — How Wireless Networks Work
Understanding Waves, Signals, and Wireless Communication
Wi‑Fi WLANs
Wi‑Fi is a Wireless Local Area Network (WLAN) technology based on IEEE 802.11 standards.
- Devices connect via a wireless router or access point.
- Uses high‑frequency radio waves instead of cables.
- Supports mobility within a limited area.
Key Features:
- Architecture: Access points, clients, distribution system.
- Security: WPA2, WPA3 encryption.
- Quality of Service (QoS): Prioritizes traffic like video calls.