... RoHs,FCC 4.fast delivery 2 channel video fiber optic transceiverSpecification:HSGQ Video/Audio/Data Digital Opitcal Transceiver ... audio signal,data signal be transmitted in single fiber with synchronization,lossless,high efficiency transmission.We ... Directly compatible with NTSC, PAL, and SECAM CCTV camera systems and support RS-232, RS- 422, and ... bank and so on 2 channel video fiber optic transceiver