hello, i'm newbie here i want ask for the master, have you try mikrotik with SR9 ? i was use Rb133 and use SR9, but in the wireless mode i can't find 900Mhz mode theres just 5Ghz and 2 Ghz. why? do we need upgrade the version ( i use 2.9.46 ) or we need to upgrade the feature? would u all give me in...