... @60Hz*Max transmission distance is 2000meters (MM)/20KM(SM)*Single Fiber optical cable transmission, pure hardware design, no software needed, ... MICProduct SpecificationInput/ Output connector:DVIFiber cable input/ output connector:single/multi-mode SC/FC type for optionAC in:AC100~240V,50 ... ,75,85101280×102460,70,75,85111400×105060,75121600×120060131920×108060 Fiber Optic DVI Audio extender