Sorry to bump an old thread, but for everyone's amusement and edification, here is Retevis admitting to me that the RT10 -- still being advertised as license-free -- actually falls under amateur radio rules.
(Censored some personal information. Also, not sure if I actually got the details of what does/does not make something ISM-legal right on my end -- would be happy to be corrected with the specifics -- but I think I have the gist of it right.)
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