| Part Number | 
Data Rate (Gbps)  | 
Reach (km)  | 
Wavelength (nm)  | 
Source | Case Temp. (°C)  | 
DDM | Others | 
| FS3148L2 | 2.5 | 20 | 1310 | DFB + PIN | -5 ~ 70 | Yes | SMF, RoHS-6 | 
| FS3148L2E | 2.5 | 20 | 1310 | DFB + PIN | -10 ~ 85 | Yes | SMF, RoHS-6 | 
| FS3148L2I | 2.5 | 20 | 1310 | DFB + PIN | -40 ~ 85 | Yes | SMF, RoHS-6 |