Amazon.com: Single Mode LC WDM Single Fiber Bi-Di Gigabit Media Converter - Built-in Fiber Module 20km (12.42 Miles) - to UTP Cat5e Cat6 10/100/1000 RJ-45 - Auto Sensing Gigabit or Fast Ethernet
Lightwavestore.com > WDM Coupler/Combiner/Divider > 1300/1550nm High Isolation WDM, universal bidirectional coupler for 1300nm and 1550nm channels. SM fibers. With one SC/PC connectors, JDS P/N: WD1315U-DFF1