1.dual fiber cwdm mux/demux 2.16 channel cwdm module 3.fast delivery 4.lifetime warranty FeaturesOne rack unit ... ) 0.2 dBDirectivity (min) 50.0 dBApplicationsAny equipment using ITU-T G.694.2 standard CWDM transceiversGBIC, SFP, XFP, Xenpak, SONET, Routers ... ITU-T G.694.2 transceiversCompatible with all standard lightwave equipment including, Cisco, Nortel, Alcatel, Ciena, Fujitsu, etc. Dual Fiber 16 ...