混合（通带延展）型增益平坦滤波片
混合（通带延展）型增益平坦滤片（Hybrid GFF with Extended Pass Band）是在原有的波长范围上延长了通频带的部分（T>-0.5dB）。在一个滤波片上实现了增益平坦与通带延展两项功能，从而减少器件封装时滤波片的使用数量，是性能与成本最优化的解决方案。
（以下数据仅供参考）
| Optical Specifications | |
| Wavelength Range | C-Band |
| Angle of Incidence | 3 deg |
| Angle Tuning | 2-4 deg |
| Peak-to-Peak Error Function | < 0.4dB |
| Insertion Loss | < 0.2dB |
| Wavelength Isolation @ 980 nm | > 15dB |
| Polarization Dependent Loss (PDL) | < 0.05dB |
| Temperature Coefficient | < 2 pm / deg |
| Operating Temperature Range | -40°C ~ +85°C |
| Storage Temperature Range | -40°C ~ +85°C |
| Backsurface AR at Pass Band Region | < 0.2 % |
| Physical Specifications | |
| Size | 1.4 (+/- 0.1) mm x1.4 (+/- 0.1) mm x1.0 (+/- 0.2) mm |
| Surface Quality | 60 / 40 |
| Wedge Angle | 0 - 0.5 deg |
| Reliability | |
| Environmental Testing | Telcordia GR1221 |
| Mechanical Durability | Telcordia GR1221 |
| C-Band增益平坦滤波片（GFF C-Band） |
| L-Band增益平坦滤波片（GFF L-Band） |
| 混合（光源截止）型增益平坦滤波片 |
