SINY OPTIC-COM CO.,LTD(stock code:838719) manufacture & supply of Mini Size In Line Optical Isolator For EDFA in Jiaozuo, Henan, China. At the same time, we are providing it at reasonable rates. Center wavelength (c) nm 1310or1550 Operating wavelength Range(c) nm ±30±30 Typ.Insertion Loss(c at 23 ) db 0.8 1.1 Max.Insertion Loss(Aow at 23 ) db 1.0 1.3 Peak Isolation db 20 18 Min. Isolation( at 23 ) db 18 16 Channel Cross Talk db 30 30 Return Loss db 35 30 Power Handing mw 500 500 Fiber Type MMF 50/125;62.5/125 Operating Temperature c -5to70 Storage Temperature c -40to85 Package Dimensions mm 5.5*L50