10G DFB 1270nm CWDM LC TOSA with Isolator Transmitter Optical Sub-AssemblyTOSA/光发射组件100G, 100G BASE-SR4, 100G QSFP28 SR4, 100G QSFP28 SR4 MPO 12, 12芯光缆, 1300nm多模, 1310nm DFB, 1550nm DFB, 3mm 光缆, 850nm多模, DFB TOSA, Isolator, TOSA