{"id":225018,"date":"2025-12-11T11:31:05","date_gmt":"2025-12-11T09:31:05","guid":{"rendered":"https:\/\/olin.es\/blog\/interferencias-wifi\/"},"modified":"2026-08-11T10:35:13","modified_gmt":"2026-08-11T08:35:13","slug":"wifi-interference","status":"publish","type":"post","link":"https:\/\/olin.es\/en\/blog\/wifi-interference\/","title":{"rendered":"WiFi interference: how to detect it, fix it and avoid it"},"content":{"rendered":"\n

WiFi interference has become one of the most frustrating problems in our everyday digital lives<\/strong>. If you have noticed that your connection is slow, keeps dropping out or simply does not work as it should, you may be experiencing this issue. In this complete guide, we look at the causes, solutions and prevention methods so you can enjoy a fast, stable connection.<\/p>\n\n\n\n

Physical obstacles that can cause connection interference<\/b><\/h2>\n\n\n\n

The physical layout of our homes plays a key role in the quality of our WiFi signal. Thick concrete walls<\/strong> act as real barriers for electromagnetic waves, significantly reducing signal strength. This effect becomes even stronger with metal structures: window frames, lifts and other metal elements can create shadow areas where the signal barely reaches.<\/p>\n\n\n\n

Mirrors and large reflective surfaces<\/strong> are particularly problematic, as they do not just block the signal. They can also reflect it in unwanted directions, creating additional interference.<\/p>\n\n\n\n

Even ceilings with metal insulation<\/strong>, increasingly common in modern buildings due to their energy efficiency, can become real Faraday cages that trap and weaken the WiFi signal.<\/p>\n\n\n\n

As we explain in our detailed article on how to boost your WiFi signal<\/a>, placing your router in the right spot can make the difference between a frustrating connection and smooth browsing.<\/p>\n\n\n\n

Devices that generate WiFi interference<\/b><\/h2>\n\n\n\n

Modern homes are full of devices that emit electromagnetic waves, and many of them operate on frequencies similar to your WiFi network.<\/p>\n\n\n\n

A microwave oven<\/strong>, for example, can generate strong but localised interference while in use. DECT cordless phones<\/strong> are especially problematic because they can interfere constantly with your WiFi signal, particularly if they operate on the 2.4 GHz band.<\/p>\n\n\n\n

Wireless surveillance systems<\/strong> and baby monitors<\/strong> also deserve a special mention. These devices transmit video and audio continuously, which can saturate the electromagnetic spectrum in your home.<\/p>\n\n\n\n

Bluetooth speakers<\/strong>, although less powerful in terms of interference, can significantly affect your network performance if they are placed close to the router.<\/p>\n\n\n\n

Want to know more?<\/h3>\n\n\n\n

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