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Description of your requirements:
| MPN | 12821 | 
| Empowerfiber PN | 12821_tr2140 | 
| Form Factor | SFP plus | 
| Max Data Rate | 10.3125Gbps | 
| Wavelength | 1330nm-TX/1270nm-RX | 
| Interface | LC simplex | 
| Max Distance | 20km | 
| Optical Components | DFB BiDi | 
| Cable Type | SMF | 
| DDM support | Yes | 
| TX power | -2~3dBm | 
| Working Temperature Range | 0 to 70°C (32 to 158°F) | 
| Compatible brand | Ciena | 
