SFP28-DW25G29-40C 25G SFP28 DWDM C29 100GHz ER 40KM 1554.13nm LC SMF DDM Transceiver Module
SFP28-DW25G29-40C 25G DWDM SFP28 ER Transceiver supports data rate of 25.78Gbps and up to 40km transmission distance over SMF using a wave length of 1554.13nm.

