Itondekanya rya fibre izwi cyane mu nganda zo mu gihugu ...
Mu myaka yashize, bitewe n’ibikenewe mu iyubakwa ry’itumanaho rinini mu gihugu cyanjye, insinga z’itumanaho mu gihugu cyanjye n’inganda za fibre optique zateye imbere byihuse, kandi hashyizweho urwego rw’inganda ...
reba ibisobanuro birambuye