... modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 40km transmission distance with SMF. The transceiver consists of three sections:a ... , Cost effective.100% Compatible with Cisco,HP,Finisar,3com, etc. 1.25G , Fiber Optical Transceiver ,CWDM-GBIC-1550nm ,GBIC ...