CWDM Modules

Parameters	Unit	1 Channels	4 Channels	8 Channel	16 Channel
Insertion Loss（Add/Drop）	dB	≤0.7	≤1.8	≤2.8	≤3.8
Ripple	dB	≤0.5	≤0.5	≤0.5	≤0.5
Polarization Dependent Loss	dB	≤0.2	≤0.2	≤0.2	≤0.2
Dimension	mm	80x58x8	80x58x8	100x80x10	120x80x18
Channel Center Wavelengths	nm	1271 - 1611
Channel Spacing	nm	20
Channel Passband	nm	λc ± 6.5
Isolation-Adjacent	dB	≥30
Isolation-Non-adjacent	dB	≥40
Return Loss	dB	≥45
Directivity	dB	≥50

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