| Part Number | 
Data Rate (Gbps)  | 
Reach (km)  | 
Wavelength (nm)  | 
Source | Case Temp. (°C)  | 
DDM | Others | 
| FS31FGL1 | 125 | 10 | 1310 | FP + PIN | -5 ~ 70 | Yes | SMF, RoHS-6 | 
| FS31FGL1E | 125 | 10 | 1310 | FP + PIN | -10 ~ 85 | Yes | SMF, RoHS-6 | 
| FS31FGL1I | 125 | 10 | 1310 | FP + PIN | -40 ~ 85 | Yes | SMF, RoHS-6 |