| Part Number | 
Data Rate (Gbps)  | 
Reach (km)  | 
Wavelength (nm)  | 
Source | Case Temp. (°C)  | 
DDM | Connector | 
| FSB4548LL8 | 2.5 | 80 | Tx1490/Rx1550 | DFB + APD | -5 ~ 70 | Yes | LC | 
| FSB4548LL8I | 2.5 | 80 | Tx1490/Rx1550 | DFB + APD | -40 ~ 85 | Yes | LC | 
| FSB5448LL8 | 2.5 | 80 | Tx1490/Rx1550 | DFB + APD | -5 ~ 70 | Yes | LC | 
| FSB5448LL8I | 2.5 | 80 | Tx1490/Rx1550 | DFB + APD | -40 ~ 85 | Yes | LC | 
| FSB4548SL8 | 2.5 | 80 | Tx1550/Rx1490 | DFB + APD | -5 ~ 70 | Yes | SC | 
| FSB4548SL8I | 2.5 | 80 | Tx1550/Rx1490 | DFB + APD | -40 ~ 85 | Yes | SC | 
| FSB5448SL8 | 2.5 | 80 | Tx1490/Rx1550 | DFB + APD | -5 ~ 70 | Yes | SC | 
| FSB5448SL8I | 2.5 | 80 | Tx1490/Rx1550 | DFB + APD | -40 ~ 85 | Yes | SC |