Study: Cell Phone Shields Don't Work


Mar 11, 2001
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Study: Phone Shields Don't Work

By Elisa Batista, Wired News
May 16, 2002

Cell phone earpiece pads and shields are "ineffective" in reducing the amount of radiation absorbed by the head, according to a recent study by British scientists.

After testing shields, antenna clips, hats and other devices marketed for reducing cell phone emissions, the Department of Trade and Industry in Britain found (PDF) such devices don't work. And the few devices that do work, do so at the expense of good reception.

To lessen the amount of exposure to the head, the scientists recommended using a headset or ear bud.

"A practical way to reduce (emissions) from the handset is to move it further away from the head," the report said.

British government officials weren't the only ones to question the veracity of claims made by cell phone shielding manufacturers. U.S. regulators recently filed a lawsuit against two companies that sold devices that claimed to block potential health risks from mobile phones.

The Federal Trade Commission said the firms (Stock Value 1 of Boca Raton, Florida, and Comstar Communications of West Sacramento, California) had no basis to claim the devices worked.

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