40GBASE QSFP+ IR4 4 CWDM wavelengths 1270 ~ 1330nm 2Km SMF 40G IR4 single-mo...
QSFP28 IR4
High quality 40GBASE-LR4 and OTU3 QSFP+ transceiver SMF 1310nm 10km 4X10 CWDM...