For cell phones the distance varies depending on the manufacturer and is under an inch. For laptops, routers and baby monitor, http://r-santex.ru/uploads/hyzututyz/2992.php the distance is about 8 inches. Read time magazines 2010 (yes 2010) article cell-phone safety: what the fcc didnt test fcc guidelines on the safety of cell phones assumed that there would be a buffer between the device and your body. Read all about fine print instructions at the show the fine print website.
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