MSA Compliant 40GBase-LR4 QSFP+ Transceiver (SMF, 1270nm to 1330nm, 10km, LC, DOM). A 100% MSA Compliant QSFP+ transceiver that operates at 1270nm, 1290nm, 1310nm, 1330nm over single-mode fiber, with a maximum reach of 10km connected via a LC connector...