| Parameter | 4 Channel |
| Mux | Demux |
| Channel Wavelength/(nm) | 1270~1610 |
| Center wavelength Accuracy/(nm) | ±0.5 |
| Channel Spacing /(nm) | 20 |
| Channel Passband(@-0.5dB bandwidth (nm) | >13 |
| Insertion Loss/(dB) | ≤1.6 |
| Channel Uniformity/(dB) | ≤0.6 |
| Channel Ripple/(dB) | 0.3 |
| Isolation(dB) | Adjacent | N/A | >30 |
| Non-adjacent | N/A | >40 |
| Insertion Loss Temperature Sensitivity(dB/℃) | <0.005 |
| Wavelength Temperature Shifting(nm/℃) | <0.002 |
| Polarization Dependent Loss(dB) | <0.1 |
| Polarization Mode Dispersion(PS) | <0.1 |
| Directivity(dB) | >50 |
| Return Loss（dB） | >45 |
| Maximum Power Handling(mW) | 500 |
| Operating Temperature(℃) | -5~+75 |
| Storage Temperature (℃) | -40~85 |
| Package dimension(mm) | L100 x W80 x H10 |
