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Description of your requirements:
| MPN | SFP-GE-20-SM1550-U |
| Empowerfiber PN | SFP-GE-20-SM1550-U_tr5469 |
| Form Factor | SFP |
| Max Data Rate | 1000Mbps |
| Wavelength | 1550nm-TX/1310nm-RX |
| Interface | LC simplex |
| Max Distance | 20km |
| Optical Components | DFB BiDi |
| Cable Type | SMF |
| DDM support | Yes |
| TX power | -9~-3dBm |
| Working Temperature Range | 0 to 70°C (32 to 158°F) |
| Compatible brand | Huawei |
