Does Wi-Fi spread up or down?

Understanding Wi-Fi Signal Propagation: Does It Spread Up or Down?

Wi-Fi signals are electromagnetic waves emitted by wireless routers, allowing devices to connect to the internet. Contrary to popular belief, Wi-Fi signals do not exclusively travel in a specific direction. Instead, they radiate in all directions, creating a spherical coverage area.

However, the placement of the router plays a significant role in determining the effectiveness of the signal. When positioned on the floor, a considerable portion of the signal is directed downwards, effectively reducing the coverage area. This is because the signal encounters obstacles such as furniture, carpets, and walls, which can absorb or reflect the signal.

For optimal Wi-Fi coverage, it is recommended to place the router at a higher elevation, such as on a shelf or wall mount. This elevated position allows the signal to spread more evenly in all directions, minimizing signal loss due to obstructions.

By understanding the propagation characteristics of Wi-Fi signals, users can strategically position their routers to maximize coverage and ensure a reliable wireless connection throughout their homes or businesses.