Discover how Wi-Fi sends information through the air without any physical cables. Learn how a router converts digital data into radio waves, which travel through your home and are picked up by phones, laptops, and other devices. Explore how different frequencies carry data and why walls, distance, and interference can affect the signal. This video explains the invisible technology that keeps our devices connected every day.
Published on 2026-09-23 by Edification
Categories: Educational Science