Brocade 100G-CFP-ER4-40KM Compatible 100G CFP ER4 1310nm 40km LC SMF DDM Transceiver Module
Brocade 100G-CFP-ER4-40KM Compatible 100G CFP ER4 transceiver Supports up to 40km over duplex single-mode fiber and uses a wave length of 1310nm via Dual LC connector.

