... 4.facotry price 2 Channel Video Audio Transmitter and ReceiverSpecification:HSGQ Video/Audio/Data Digital Opitcal Transceiver adopts the most ... Support Console,WEB and SNMP format management.Monitor the module information including:Model,Version,Product description,Slot index,Device ... 1/2/4/8 channels Video plus E1,Ethernet.Audio,Data,concertrative management.View the detailed information of power ...