... 3.ST,FC connector 4.facotry price 2 Channel Video Audio Transmitter and ReceiverSpecification:HSGQ Video/Audio/Data Digital Opitcal Transceiver ... make the video signal,audio signal,data signal be transmitted in single fiber with synchronization,lossless,high efficiency ... transmitting status,Ethernet Status.Support 1/2/4/8 channels Video plus E1,Ethernet.Audio,Data,concertrative management.View the ...