hi a ddesent braille desplay is what you wount it to due if youwount 20 celes you can exspet to pay about 3300 and if yyou wount 40 celes it is about 5500 dollers I have a braillelite 40 and it works well in linux btw I am not using it write now be cose I am using my loptop and it only has one cerl poart.