| Hangul | 광통신 |
| Romanization | gwangtongsin |
| Meaning | fiber optic communication |
| Part of Speech | noun |
| TOPIK Level | TOPIK Level 4 |
광통신 기술 덕분에 대용량 데이터를 빠르게 전송해요.
gwangtongsin gisul deokbune daeyongnyang deiteo-reul ppareuge jeonsonghaeyo.
Thanks to fiber optic communication technology, large amounts of data are transmitted quickly.
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광통신 (gwangtongsin) means "fiber optic communication" in Korean. It is a TOPIK Level 4 vocabulary word.
광통신 is pronounced "gwangtongsin" in Revised Romanization.
광통신 is a TOPIK Level 4 word. TOPIK Level 4 is the upper-intermediate level with ~5,000 words.