| Wavelength | BIDI (single fiber bi-directional) Tx 1310nm / Rx 1550nm |
| Fiber type | Single mode |
| Connector type | LC |
| Maximum distance | 20 km |
| Data Link | Up to 1.25Gb/s |
| Ethernet | 1000Base-LX |
| Operating temperature | 0° C ~ 70° C |
| Installation | For a fiber link, the RG-GE-SFP-LX20-SM1310-BIDI model should be used at one end and the RG-GE-SFP-LX20-SM1550-BIDI model at the other end. |