Both US and EU are big enough markets that two models are totally feasible. Actually, radios inside cell phones are already different due to slightly different frequencies between the two continents. Take a look, but a lot of phones have US and EU version already.
While that is true, having 2+ radios for various global markets is much less of a hassle than having to design and manufacture at least two different cases, seals and possibly PCB layouts.
Both US and EU are big enough markets that two models are totally feasible. Actually, radios inside cell phones are already different due to slightly different frequencies between the two continents. Take a look, but a lot of phones have US and EU version already.
While that is true, having 2+ radios for various global markets is much less of a hassle than having to design and manufacture at least two different cases, seals and possibly PCB layouts.