Origin: China Price: To Talk About Payment Method: T/T Quantity: 100Pcs Pack. & Delivery: As You Wish Specification: Coarse wavelength division multiplexer (CWDM) utilizes thin film coating technology and proprietary design of non-flux metal bonding micro optics packaging. It provideslow insertion loss, high channel isolation, wide pass band, low temperature sensitivity and epoxy free optical path Performance Specifications Parameter 4 channel 8 channel Add Drop Add Drop Operating Wavelength (nm) 1471, 1491 or 1470, 1490 etc. Center Wavelength Accuracy (nm) ± 0.5 Channel Spacing (GHz) 20nm Channel Passband (@-0.5dB bandwidth) Min.(nm) e13 Insertion Loss (dB) Add/Drop Ch. d1.4 d2.5 Express Ch. d0.6 d1.0 Channel Ripple (dB) d0.3 d0.3 Isolation @add/drop channel(dB) Adjacent N/A >30 N/A >30 Non-adjacent N/A >40 N/A >40 Insertion Loss Temperature Sensitivity (dB/°C )