http://microwavenews.com/news-center/using-cell-phone-elevat...
http://microwavenews.com/news-center/using-cell-phone-elevat...
People use cellphones in elevators ALL the time, ALL around the world. Especially when continuing a conversation they had as they walked in the building, and for as long as the signal stays.
The parent poster mentions the same effect in the context of aeroplanes.
You'll only find it mentioned in fringe non-scientific sites.
Case in point, your source, microwavenews. This is for the kind of people who believe in chemtrails and such.
I mean, even if you don't know about the site, isn't it obvious from the BS way of writing that you're reading something designed to sell stuff to kooks? "According to some new calculations", "if you believe the research by", obscure "EMF" conferences in China (with dead webpages) and what have you.
[1] http://en.wikipedia.org/wiki/Mobile_phones_on_aircraft#Statu...