Is sitting next to a WiFi router harmful?

It isn’t harmful at all to sit near a WiFi source , even for extended periods. WiFi, much like other forms of communication such as satellite and cellular networks, uses non-ionizing radiation, which hasn’t been found harmful to tissues yet.

A new review suggests electromagnetic radiation from the world’s communication systems – including WiFi, 2G/3G/4G, and powerlines – now poses a ‘credible threat’ to plants, insects, birds, and other animals.18 May 2018

Wireless routers – as well as Bluetooth and similar wireless systems – give off electromagnetic radiation in the low-gigahertz frequency . This level is considered potentially dangerous to people. And the danger is compounded by several factors: Just like the wireless signals themselves, the EMFs can pass through walls.