... bandwidth, 1310/1550/1625nm, suitable for FTTH network Description THIN FILM WDM is a advanced wdm coupler with wide bandwidth, 1310 ... ≥45Reflect Port≥45(≥22 only for type2)FlatnessdB≤0.5THIN FILM WDM____________________________________________________________________________________________________Add: Yaojiang Building, No. 126, Yan'an road, Hangzhou, Zhejiang ...