SFP 1G BiDi (WDM) 160km 1490/1550 DOM SC (1 pair) – Dimiks Store
Amazon.com: Single Mode LC Gigabit Fiber Media Converter - Includes LC SFP 20 km (12.42 Miles) LC – to UTP Cat5e Cat6 10/100/1000 RJ-45 – Auto Sensing Gigabit or Fast Ethernet Speed -
SFP Transceiver Module Gigabit Single Mode Single Fiber Optical Ethernet Compatible with Cisco Switch 1g 3km 1310/1550nm Sm Sc Connector - China Glc-Bx-3D and Glc-Bx-3u