from this brand
SFP Transceiver- 1.25-Gb, 1310-nm Single-Mode Fiber, 20-km, LC
Ideal for applications where you only have a single fiber available. Support for throughput up to 1250 Mbps makes this SFP ideal for use with high-speed applications such as Gigabit Ethernet.
- SFP package with LC connector
- 1310nm FP laser and PIN photo detector
- Up to 20Km transmission on SMF
- +3.3V single power supply
- LVPECL compatible data input/output interface