The 12G sdi sfp module can support SD-SDI, HD-SDI, 3G-SDI, 6G-SDI and 12G-SD 12G 1310nm video LC 2.Bidirectional TxRx Tranceivers where Tx stands for Transmitter and Rx for Receiver 4.Compatible with a wide range of optical fiber video equipment, such as Mini Converter Optical Fiber 12G SFP for Blackmagic Design you can add a Duplex Singlemode LC fiber optic connection to your Studio Camera, Teranex Converter, ATEM hardware, or any other professional device that supports SFP cages Please Note: These are transceivers which send and receive.Two units are needed in order to transmit and receive a signal. They compatible for any current and any legacy product. The sfp don't supports Video Pathological Patterns for SD/HD/3G/6G/12G-SDI