Quote:
Originally Posted by kleykenb
Ah, the plot thickens ! I guess the cover is not there to protect the device from the user but the user from the device ! ;-)
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I've seen this in a couple devices. I don't think it only passes with the cover on , as it wouldn't pass EU regulations /at all/ if that were the case (covers don't absorb that much), the US allows approximately double what the EU does for maximum SAR.
What happens is that the FCC tests it with the 'included cover', and so only certifies it in that situation. If iRex were to change the device up a bit, they would need to certify it again. We'd need to see the actual SAR numbers to confirm either hypothesis. The PRS-900 has the same 'warning', but it's SAR numbers are low enough that they meet EU standards (which hints that the cover is NOT required to meet US standards, but rather the FCC only tested it one way, and only certifies it that way).