200GBASE-FR4 QSFP56 SMF 1271nm-1331nm 2km DDM Transceiver 100% OEM Compatible 200GBase-FR4 QSFP56 Transceiver (SMF, 1271nm-1331nm, 2km, LC Duplex, DDM, C-Temp, CMIS 4.0) Specifications Form Factor: QSFP56 FR4 Data Rate: 200 Gb/s Wavelength: 1271 nm, 1291 nm, 1311 nm, 1331 nm Protocols: 200 G Ethernet,...