CEx WDM module is designed for PON co-existence of GPON, XGS-PON, OTDR, RF video and NG-PON2, multiplex into single fiber during transmission from OLT and ONU. HYC's CEx WDM has mature production technology, stable and reliable performance. HYC is a professional ODM & OEM manufacturer of fiber optic products. Main products are: fiber optic connectors,adapters, WDM, PLC splitter, MEMS optical switch and other optical passive basics devices.