The FOD 5504 is a handheld optical switch simplifying fiber optic calibration and automation. It improves efficiency and repeatability, and also acts as a shutter.
| Insertion Loss, dB | 0.6 |
| Optical Crosstalk, dB | -80 minimum |
| Return Loss, dB | -50 |
| Repeatability, dB | 0.003 |
| Switching Time, ms | <5 |


