| Part Number | 
Data Rate (Gbps)  | 
Reach | Wavelength (nm)  | 
Source | Case Temp. (°C)  | 
DDM | Others | 
| FFGU34BP | Tx1.25/Rx2.5 | Class B+ | Tx1310/Rx1490 | DFB + APD | -5 ~ 70 | Yes | SMF, RoHS-6 | 
| FFGU34BPI | Tx1.25/Rx2.5 | Class B+ | Tx1310/Rx1490 | DFB + APD | -40 ~ 85 | Yes | SMF, RoHS-6 |