... 1.3G HD SD-SDI fiber optical extender 2.Mini or module style or 19" 3RU rack style 3.Strong working line ... , particularly suitable for large volume optical transmission platform construction);2) Module style(1- channel);3) mini type(1- channel, mini size ... , or one DVB-ASI stream through one single mode fiber or multimode fiber with the standards of SMPTE424M, SMPTE259M, SMPTE297M, SMPTE310M, SMPTE305M ...