| Part Number | 
Data Rate (Gbps)  | 
Reach (km)  | 
Wavelength (nm)  | 
Source | Case Temp. (°C)  | 
DDM | Connector | 
| FSB3548LL4 | 2.5 | 40 | Tx1310/Rx1550 | DFB + PIN | -5 ~ 70 | Yes | LC | 
| FSB3548LL4I | 2.5 | 40 | Tx1310/Rx1550 | DFB + PIN | -40 ~ 85 | Yes | LC | 
| FSB5348LL4 | 2.5 | 40 | Tx1550/Rx1310 | DFB + PIN | -5 ~ 70 | Yes | LC | 
| FSB5348LL4I | 2.5 | 40 | Tx1550/Rx1310 | DFB + PIN | -40 ~ 85 | Yes | LC | 
| FSB3548SL4 | 2.5 | 40 | Tx1310/Rx1550 | DFB + PIN | -5 ~ 70 | Yes | SC | 
| FSB3548SL4I | 2.5 | 40 | Tx1310/Rx1550 | DFB + PIN | -40 ~ 85 | Yes | SC | 
| FSB5348SL4 | 2.5 | 40 | Tx1550/Rx1310 | DFB + PIN | -5 ~ 70 | Yes | SC | 
| FSB5348SL4I | 2.5 | 40 | Tx1550/Rx1310 | DFB + PIN | -40 ~ 85 | Yes | SC | 
| FSB4548LL4 | 2.5 | 40 | Tx1490/Rx1550 | DFB + PIN | -5 ~ 70 | Yes | LC | 
| FSB4548LL4I | 2.5 | 40 | Tx1490/Rx1550 | DFB + PIN | -40 ~ 85 | Yes | LC | 
| FSB5448LL4 | 2.5 | 40 | Tx1490/Rx1550 | DFB + PIN | -5 ~ 70 | Yes | LC | 
| FSB5448LL4I | 2.5 | 40 | Tx1490/Rx1550 | DFB + PIN | -40 ~ 85 | Yes | LC | 
| FSB4548SL4 | 2.5 | 40 | Tx1550/Rx1490 | DFB + PIN | -5 ~ 70 | Yes | SC | 
| FSB4548SL4I | 2.5 | 40 | Tx1550/Rx1490 | DFB + PIN | -40 ~ 85 | Yes | SC | 
| FSB5448SL4 | 2.5 | 40 | Tx1490/Rx1550 | DFB + PIN | -5 ~ 70 | Yes | SC | 
| FSB5448SL4I | 2.5 | 40 | Tx1490/Rx1550 | DFB + PIN | -40 ~ 85 | Yes | SC |