Ciena’s WaveLogic 5 Nano (WL5n) Standard  CFP2-DCO and QSFP-DD transceivers incorporate Ciena’s advanced coherent optical technology to deliver standards-compliant 100G/200G coherent transmission, enabling space- and power-efficient high-capacity optical transport in a multi-vendor networking environment. They are also available with the WL5n 100G/200G Extended Temp CFP2-DCO transceiver to support exterior deployments.h.