... Video Optical Converter is used for real-time, high-resolution, long-distance and non-distorted transmission of 4-channel video ... inter-modulate interference problem in other optical converters of non-simulate frequency modulation, phase modulation, amplitude modulation ... ParameterNominal Input/output PWL 2VpFrequency Width 20Hz~20KHzSampling Frequency 48KHzData ParameterData TypeRS-232, RS-485/422, ...