Ibiranga itumanaho rya fibre optique
1. Ubushobozi bunini bwitumanaho Mubyukuri, fibre imwe irashobora kohereza imiyoboro yijwi miliyari 10 icyarimwe, kuri ubu, igerageza ryo kohereza imiyoboro 500.000 icyarimwe icyarimwe ryaragenze neza, ibihumbi cyangwa ndetse ...
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