Fiberer's range of products covers fiber cables, passive components and modules: 
DWDM, CWDM, OADM, Filter WDM, MWDM, Attenuator, Faraday Mirror, PM Isolator, Optical Circulator, Optical splitter, PLC Splitter, Optical Single Mode Coupler, Coupler Matrix Box, Fiber-optic Collimator, Free space Isolator, Core of Optical Isolator, Mechanical Fiberoptic Switch and Solid-State Fiberoptic Switch Modules, Polarication Maintaining
products and Patch Cord,Jumper,all kinds of connectors, optical EVOA, etc, moreover covers active systems and modules: OLT ONU, Transceiver, Media Converter, Fiber Tool Box, OTDR, Fiber Cleaver,Fusion Splicer,other and OEM/ODM of these products and so on.