... Channel, FTTx and CATV FBT Coupler/Splitter Single mode Dual window wideband fiber coupler(FBT Coupler/Splitter) Single mode Single ... Coupler/Splitter) Mini Single mode single window fiber coupler(FBT Coupler/Splitter) Multi-mode Single window Fiber coupler(FBT Coupler/Splitter) 1xN ... ,18-CH CWDM Mux/Demux Module packed in 19”rack mount; 100G, 200G DWDM OADM Module(4, 8 channel) 100G,200G ...