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iPhone 4 clears FCC

The iPhone 4 gets FCC approval with a SAR of 1.17 watts per kilogram.

By June 9, 2010


Twenty highest-radiation cell phones

For the last 10 years, CNET has kept a running list of cell phones with the highest SAR (specific absorption rate) levels. Here's a look at the 20 cell phones (among current U.S. models) with the highest SAR ratings as stated by the FCC.

By June 1, 2011


Cell phone radiation and the law that died

San Francisco was right to shelve its law requiring retailers to post a cell phone's SAR. But as the debate continues, the CTIA's reaction will be telling.

By May 9, 2011


On Call: CTIA to ditch San Francisco

After San Francisco votes to require SAR information on cell phone packaging, CTIA votes to move its autumn trade show to Southern California.

By June 28, 2010


Friday Poll: Anxious about cell phone radiation?

CNET recently updated its running lists of mobile phones that emit the highest and lowest amounts of radiation. How much thought, if any, do you give to SAR levels these days?

By December 3, 2010


On Call: Which cell phone radiation level is correct?

When the same cell phone has a different SAR, how do you know which one is correct? In this week's On call column, CNET's cell phone editor helps you make sense of it all.

By July 29, 2008


Why CNET compiles cell phone radiation charts

The debate over whether mobile phones pose a danger to your health may never be resolved, but CNET will continue to follow the issue.

By June 13, 2014

Editors' Take

Samsung M400 (Sprint)

Free with a new contract, this flip phone from Samsung is only about making calls.

April 30, 2013

MSRP: $209.99


San Francisco cell phone law may be tip of legislative iceberg

Other places have weighed cell phone radiation warning laws, but most are waiting to see how the legal battle between San Francisco and the CTIA unfolds.

By August 9, 2012


Lowest-radiation cell phones

CNET shows you the 20 cell phones in the United States with the lowest specific absorption rate.

By June 18, 2010