I think I will give it a try, I found the regulations from NTT website that the maximum Tx power allowed in Japan is 200mw and is already better than the EU version, I also found a way to increase the power and change the language from the web, most importantly it only cost 100USD for a AX6000...
I will travel to Japan by the end of this month and I found that the price for the Tuf-AX6000 is much cheaper than the other country, Is there any problems or shortcoming if I use it in Canada?
Thanks