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FCC Upholds RF Exposure Limits

The U.S. Federal Communications Commission (FCC) has affirmed its current limits for human exposure to radiofrequency (RF) emissions from cellphones and other modern communications technologies.

In a Resolution of Notice of Inquiry issued in early December, the Commission declined to propose amendments to its existing limits, stating that the current limits reflect the best available information concerning safe levels of RF exposure. To further support its decision, the Commission also cited the findings of a 2017 report issued by the U.S. Food and Drug Administration (FDA) that “the weight of scientific evidence has not linked cell phones with any health problems.”

In an accompanying Notice of Proposed Rulemaking, the FCC further proposed formalizing an additional RF exposure limit for future uses of wireless technologies, specifically for portable devices operating at high frequencies as well as for wireless power transfer (WPT) equipment. The Commission also released a Report and Order clarifying its criteria for determining when a licensee is exempt from the FCC’s RF exposure evaluation criteria.

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A Dash of Maxwell’s: A Maxwell’s Equations Primer – Part One

Solving Maxwell’s Equations for real-life situations, like predicting the RF emissions from a cell tower, requires more mathematical horsepower than any individual mind can muster. These equations don’t give the scientist or engineer just insight, they are literally the answer to everything RF.

Read the FCC’s documents related to its rules regarding human exposure to RF.

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