... -rate of 1.25Gbps/1.0625Gbps operation 18 CWDM DFB wavelengths laser and PIN photodetector for 40km or ... Ordering information: Part Number Description DW-D12C61-80CG CWDM GBIC,1.25G,1610nm,SC,80km,0°C~+70 ... °C DW-D12C59-80CG CWDM GBIC,1.25G,1590nm,SC,80km,0°C ... ~+70°C DW-D12C57-80CG CWDM GBIC,1.25G,1570nm,SC,80km,0°C ... ,80km,0°C~+70°C DW-D12C61-40CG CWDM GBIC, 1.25G,1610nm,SC,40km,0°C ...