| No. | Parameter | Unit | CWDM Block Filter | |||
| 1 | Operating Wavelength Range | nm | 1260~1360 | |||
| 2 | Center Wavelength (λc) | nm | 1271 | 1291 | 1311 | 1331 |
| 3 | Passband (PB) | nm | 14 | |||
| 4 | Adjacent Channel Isolation | dB | >30 | |||
| 5 | Max. Insertion Loss within PB | dB | <0.3 | |||
| 6 | Ripple within PB | dB | <0.2 | |||
| 7 | PDL within PB | dB | <0.2 | |||
| 8 | Reflection of Backside AR Coating | % | <0.2 | |||
| 9 | A.O.I. | degree | 8, 13, 13.5,…etc. | |||
| 10 | Dimension(L*W*T) | mm | Can be customized | |||
