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Description of your requirements:
| MPN | SFP-4G-1390-40-CW |
| Empowerfiber PN | SFP-4G-1390-40-CW_tr4151 |
| Form Factor | SFP |
| Wavelength | 1390nm |
| Interface | LC duplex |
| Max Distance | 40km |
| Optical Components | DFB CWDM |
| Cable Type | SMF |
| DDM support | Yes |
| TX power | 0~5dBm |
| Working Temperature Range | 0 to 70°C (32 to 158°F) |
| Compatible brand | Extreme Networks |
