400GBASE-FR4 OSFP SMF 1271-1331nm 2km DDM Transceiver 100% OEM Compatible 400GBase-FR4 OSFP Transceiver (SMF, 1271-1331 nm, 2 km, LC, DDM, 50G PAM4 Series, Commercial Temp.) Specifications Form Factor: OSFP FR4 Data Rate: 425 Gb/s Wavelength: 1271 nm, 1291 nm, 1311 nm, 1331 nm Protocols: 400G...