CWDM Channels Add/Drop
CWDM
CATV Fiber Optical Links
Accessing LAN Networks
Short-Distance Communications
1)Low Insertion Loss
2)Excellent Channel Isolation
3)High Stability & Reliability
4)Low Cost




| Item | Unit | Parameters | 
| Channel spacing |  | 20 nm ITU grids | 
| Wavelength range | nm | 1260 to 1620 | 
| Channel centers (ITU or ITU+1) | nm | 1270/1290…1610 or 1271/1291…1611 | 
| Passband | nm | ≥+/-6.5 ,7.0,7.5 | 
| Passband ripple | dB | ≤0.35 | 
| Transmission insertion loss | dB | ≤0.70 (Typical 0.50) | 
| Reflection insertion loss | dB | ≤0.40 | 
| Transmission isolation (adj channel) | dB | ≥30 | 
| Transmission isolation (non-adj channel) | dB | ≥45 | 
| Reflection isolation | dB | ≥13 | 
| Polarization dependent loss | dB | ≤0.1 | 
| Polarization mode dispersion | ps | ≤0.2 | 
| Thermal Stability | dB/°C | ≤0.005 | 
| Directivity | dB | ≥50 | 
| Return loss | dB | ≥45 | 
| Optical power handling | mW | ≤300 | 
| Tensile Load | N | ≥5 | 
| Operating temperature range | °C | -5 to 70 | 
| Storage temperature range | °C | -40 to +85 | 
| Fiber type |  | SMF-28e | 
| Package dimension | mm | ≤5.5 x 34 | 

