... Optic Module/Transceiver, Cisco compatible Features Dual data-rate of 1.25Gbps/1.0625Gbps operation 18 CWDM DFB wavelengths ... The GBIC transceiver is high performance, cost effective module supporting dual data-rate of 1.25Gbps/1. ... Ordering information: Part Number Description DW-D12C61-80CG CWDM GBIC,1.25G,1610nm,SC,80km,0°C~+70 ... ,80km,0°C~+70°C DW-D12C61-40CG CWDM GBIC, 1.25G,1610nm,SC,40km,0°C ...