| Model | Functions |
| FF-201 | OPM |
| FF-203 | OPM and VFL |
| FF-207 | OPM VFL and RJ45 Cable Sequence |
| Model | Functions |
| FF-201 | OPM |
| FF-203 | OPM and VFL |
| FF-207 | OPM VFL and RJ45 Cable Sequence |
| OPM | |
| Wavelength Range | 800nm to 1700nm |
| Connector | 2.5mm Universal Connector |
| Detector Type | InGaAs |
| Power Range | -70 to +6dBm |
| Uncertainty | ±5% |
| Calibrated Wavelength | 850/980/1300/1310/1490/1550/1625/1650nm |
| Display Resolution | Linear Resolution 0.1% Logarithmic Resolution 0.01dBm |
| VFL | |
| Wavelength | 650nm |
| Output Power | 2mW |
| Mode | CW/1Hz/2Hz |
| Connector | 2.5mm Universal |
| RJ45 Cable Sequence Test | |
| Cable Length | <300m |
| Remote Unit | Yes |
| General | |
| Power Supply | AAA Battery |
| Auto Shutdown | 10 mins |
| Operation Temperature | -10 to +50℃ |
| Storage Temperature | -40 to +70℃ |
| Relative Humidity | 0 ~ 95% no condensing |
| Size | 112x66x30mm |
