So hdmi fiber cable structure, they has 19 copper cable, with 4 glass cores for light transmit
For normal copper cable, signal will be loss after 10M. Factory has to add a chip to keep the signal normal.
But for fiber cable, V1.4 could reach 100M, no need to add anything for avoid signal loss. And lighter.
Bending is a big problem for customers worry. As we see fiber strucure, there are a lot of material to protect the fiber cable. To avoid the bending issue.
And all our product is under testing before delivery.