Xov xwm kev lag luam
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FTTR coj lub teeb hloov kho thib ob "khoov tawm"
Nrog rau "Gigabit Optical Network" tau sau rau hauv tsoomfwv daim ntawv tshaj tawm ua haujlwm thawj zaug, thiab cov neeg siv khoom xav tau ntau ntxiv rau kev sib txuas zoo, qhov kev hloov kho qhov muag thib ob "kev hloov pauv" hauv keeb kwm ntawm kuv lub teb chaws broadband tau raug teeb tsa.Hauv t...Nyeem ntxiv