Comment by avidiax

> If your friend experiences noticeable degradation regardless of the distance within the room, it might be worrisome.

Probably not. I recall calculating it once, and the legal requirements for microwave oven shielding still allow it to produce a few watts of 2.4Ghz leakage. This is contrasted to 50mW typical WiFi AP power, and 5-50mW BlueTooth powers.

A few watts is totally non-dangerous to humans, especially diffused across the entire door.