... connector 4.facotry price 2 Channel Video Audio Transmitter and ReceiverSpecification:HSGQ Video/Audio/Data Digital Opitcal Transceiver adopts the most ... digital,video and fiber transmission which make the video signal,audio signal,data signal be transmitted in single fiber with ... Support 1/2/4/8 channels Video plus E1,Ethernet.Audio,Data,concertrative management.View the detailed information of power ...