< img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1367055820384037&ev=PageView&noscript=1" />
Txhua pawg
EN

Xov Xwm

Tsev>Xov Xwm

Tuam txhab xov xwm

APT chav kawm me —— Kev tshuaj xyuas ntawm cov yam ntxwv ntawm WDM System thiab Nws Daim Ntawv Thov Kev Lag Luam

1.Ua kom tag nrho cov kev pab cuam bandwidth ntawm optical fiber. Fiber ntau muaj peev txheej bandwidth loj (tsawg poob band). Wavelength division multiplexing technology ua rau kom muaj peev xwm kis tau tus mob fiber ntau los ntawm ob peb zaug ...

ntau +