H3C QSFP-40G-LR4-WDM1300 Compatible 40G QSFP+ LR4 1310nm (CWDM4) 10km LC SMF DDM Transceiver Module
H3C QSFP-40G-LR4-WDM1300 Compatible 40G QSFP+ Optical Transceiver Module supports up to 10km optical transmission over single mode fiber using lc connector.