Video wall projects now is more and more in display applications such as: Rental Performance, TV broadcast center, large-scale stage and theatre, high-end meeting, exhibition etc.

 In such video transmission, especially there is many video resource, we have to use video matrix to connect screens or use LED units. now the new technology update the common video matrix to video multi-viewer, and let many video resource into on screen or many LED units.

In addition, some video resource is far away from screen, then engineer needs to find video extender over fiber cable or cat5, and others. But since SDI fiber extender, DVI fiber extender or other fiber extenders now has the low cost with clear nice pciture effect,  they are used widely in video wall transmission to let people enjoy good visual.