OptiWorks can provide low loss WDM based on its patented technical method. The WM1 module has a low insertion loss and a wider passband (+/-0.15nm), higher isolation, and better uniformity with its new free space thin film technology for DWDM module. The CEx modules feature with variety port configurations and extra low insertion loss. With the unique encapsulation design, a 19 inch standard 1RU chassis can contain up to 36 WM1 modules, which is the highest density ever achieved.