| Part Number | 
Data Rate (Gbps)  | 
Reach | Wavelength (nm)  | 
Source | Case Temp. (°C)  | 
DDM | Others | 
| FSGT43CP | Tx2.5/Rx1.25 | Class C+ | Tx1490/Rx1310 | DFB + APD | -5 ~ 70 | Yes | SMF, RoHS-6 | 
| FSGT43CPI | Tx2.5/Rx1.25 | Class C+ | Tx1490/Rx1310 | DFB + APD | -40 ~ 85 | Yes | SMF, RoHS-6 |