Hello All, We have a product that gets its power from a USB hub. In all cases the end user buys a USB hub from anyone he likes and uses it to power our product. I.e. we have no control over as to whose USB hub is used with our product. We know that our product on its own passes FCC class B emissions, but there are USB hub on the market that are only rated as class A and when these are used with our product we only pass class A. This will give us a marketing disadvantage. I suppose my question is that what is the most efficient and legal way to be able to market our product as a class B? Can we add a statement of some kind in our user manual to say that the product on its own satisfies class B? Is that acceptable by FCC?
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