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Description of your requirements:
| MPN | S-SFP-GE-LH40-SM1550 |
| Empowerfiber PN | S-SFP-GE-LH40-SM1550_tr5479 |
| Form Factor | SFP |
| Max Data Rate | 1000Mbps |
| Wavelength | 1550nm |
| Interface | LC duplex |
| Max Distance | 40km |
| Optical Components | DFB 1550nm |
| Cable Type | SMF |
| DDM support | Yes |
| TX power | -5 ~ 0dBm |
| Receiver Sensitivity | < -24dBm |
| Working Temperature Range | 0 to 70°C (32 to 158°F) |
| Compatible brand | Huawei |
