光缆 (guāng lǎn): Optical cable (Noun) — Meaning & Stroke Order

The completion of this undersea optical cable has greatly enhanced the stability of international communications.

Due to improper construction, that main trunk optical cable was accidentally severed.

The new type of optical cable not only has a large transmission capacity but also stronger anti-interference capabilities.

Optical cables make our internet speed faster.

I told the technician that the poor internet at home might be due to a loose connection in the optical cable at the doorway.