APT’ CWDM devices are based on Thin-Film Technology and All-glass packaged and epoxy free on optical path platform, keeping the device in compact size and excellent performance. Channels comply with ITU grid.
APT’ CWDM devices are based on Thin-Film Technology and All-glass packaged and epoxy free on optical path platform, keeping the device in compact size and excellent performance. Channels comply with ITU grid.




| Parameters | Specifications | Unit | |
| Operating Wavelength Range | 1260-1620 | nm | |
| Center Wavelength(λc) | CWDM1270/1290…1590/1610 | ||
| Channel Pass Bandwidth | λc±7.0 | ||
| Insertion Loss | Pass Channel | ≤0.6 | dB |
| Reflect Channel | ≤0.3 | dB | |
| Isolation | Pass Channel | ≥25 | dB |
| Reflect Channel | ≥15 | dB | |
| Polarization Dependent Loss | ≤0.20 | dB | |
| Directivity | ≥50 | dB | |
| Return Loss | ≥45 | dB | |
| Temperature Dependent | ≤0.003 | dB/°C | |
| Polarization Mode Dispersion | ≤0.10 | ps | |
| Power Handling | 300 | mW | |
| Connector Type | None | ||
| Fiber Type | G657 A1 | ||
| Fiber Mark | Com(Black), Pass&Reflect(None) | ||
| Pigtail Type | 250μm bare fiber | ||
| Fiber Length | 1.5±0.05 | m | |
| Operating Temperature | -30 ~ 85 | °C | |
| Storage Temperature | -40 ~ 85 | °C | |
| Package Type | Glass Tube | ||
| Package size | Φ4.0×26 | mm | |