By available official documentation on Baofeng sites we report the
following table

(Click here for spreading)

It seems, from the tests carried out by ARRL on several occasions, that so many are handhelds that do not respect the rules established by the FCC amateur radio equipment (Part 97, Subpart D, Section 97.301 through Section 97.313, not FCC Part 90) and so also other handheld reputed Chinese.

Instead handhelds like Yaesu , Icom and Kenwood respect 100% the d FCC rules

There are, on the other hand, the technical tests known magazines published by the sector or present on the websites.
The use is, therefore, illegal at least in the US? Someone comments:” They’re cheap, available, and they work. But are you willing to violate FCC regulations just to save a few dollars?”