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by myself248 1924 days ago
I don't think that applies to 900MHz in the US. It definitely does to 433 and I think 315, though.
1 comments
anthk 1924 days ago
433 and multiples are harmonics.
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Johnythree 1924 days ago
Most of the ISM bands are harmonically rated (they are referred to as junk bands for obvious reasons)
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