Fiber Optic Variable Attenuator--QYY- EXFO FVA-600 variable attenuator
Fiber Optic Variable Attenuator--QYY- EXFO FVA-600 variable attenuator
2024 QYY Successfully Exhibits at IDTEX Indonesia Communication Exhibition
2024 Indonesia Communication Exhibition
How are submarine cables laid?
September 25th is the first day of the 32nd International Information and Communication Exhibition. Coincidentally, this day was also the day when the first submarine telegraph cable in history began to be laid (September 25, 1951).
