DWDM Modules

Parameters	Unit	1 Channels	2 Channels	4 Channels	6 Channel	8 Channel
Insertion Loss（Add/Drop）	dB	≤0.7	≤1.0	≤1.6	≤2.2	≤2.8
Ripple	dB	≤0.5	≤0.5	≤0.5	≤0.5	≤0.5
Polarization Dependent Loss	dB	≤0.2	≤0.2	≤0.2	≤0.2	≤0.2
Dimension	mm	80x58x8	80x58x8	80x58x8	80x58x8	100x80x10
Channel Center Wavelengths	nm	ITU Grid
Channel Spacing	GHz	100 or 200
Channel Passband	nm	100G:λc ± 0.11 200G:λc ± 0.25
Isolation-Adjacent	dB	≥30
Isolation-Non-adjacent	dB	≥40
Return Loss	dB	≥45
Directivity	dB	≥50

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