A dual fiber optical transceiver uses two separate fibers—one for transmitting and the other for receiving data. The light is a form of carrier wave that is modulated to carry information. In this Letter, we propose to. Optical Transceivers SFPs 800G OSFP/QSFP-DD800, 400G QSFP112/QSFP-DD, 200G QSFP56, 100G QSFP28/CFPx, 40G QSFP+, 25G SFP28, 25G SFP28 Tunable DWDM, 10G SFP+/XFP/X2, 10G Tunable DWDM, 1G SFP, 155M SFP, DAC, and AOC. Ever wonder how data zooms across cities and continents at lightning speed? The. Fiber Optic Transceivers are compact devices designed to transmit and receive data over a fiber optic cable.