The US Federal Communications Commission (FCC) is said to be conducting an investigation into certain Apple and Samsung smartphones that reportedly emit higher radiation levels than the American regulator allows.
Apple’s iPhone 7 and iPhone 8 emitted radiation levels beyond the FCC's limits, according to tests conducted at California’s radiation testing lab RF Exposure Lab, and reported by the Chicago Tribune.
The paper also found that the Samsung Galaxy S8, Galaxy S9, and Galaxy J3 measured higher radiation levels than the FCC’s limits allow.
The excessive radiation levels were mostly recorded in a test that simulated the phones at 2mm away from a human body – so, when a user holds up a phone to their ear during a phone call, or when a phone is in a pocket.
And the Tribune only conducted tests on 11 smartphones among the hundreds that are available to buy today.
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The health risks associated with smartphone radiation are still uncertain. Some say that young children and teenagers are exposed to more smartphone radiation than older generations, as smartphones are becoming more ubiquitous. At the same time, regular mobile phones that also emit radiation have been around since long before smartphones.
Apple told the Chicago Tribune that its testing was inaccurate compared to the company's own testing. Apple did not immediately respond to requests for comment. Nor did the FCC.
“Samsung devices sold in the United States comply with FCC regulations. Our devices are tested according to the same test protocols that are used across the industry,” Samsung told Business Insider in a statement.
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The RF Exposure Lab where the tests were conducted is accredited by the FCC to test for radio frequency radiation from electronic devices, the Tribune said.
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This article originally appeared on Business Insider.
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