This document discusses Wi-Fi technology, including its network elements, advantages, limitations, and applications. It describes the different Wi-Fi standards such as IEEE 802.11b, 802.11a, and 802.11g, outlining their speeds, ranges, and frequencies. An access point connects wireless devices to the internet, while Wi-Fi cards accept wireless signals. Advantages include mobility, easy installation, flexibility, cost, and reliability, while limitations are high power consumption and limited range. Applications of Wi-Fi technology include use in small businesses, large corporations, campuses, and homes.