Amazon.com: Multimode ST Gigabit Fiber Media Converter - Built-in ST Fiber Module 550 m (0.34 Miles) 850 nm - to UTP Cat5e 10/100/1000 RJ-45 – Auto Sensing Gigabit or Fast Ethernet - Jumbo Frame - LLF Support : Electronics
Amazon.com: Multimode Gigabit Fiber Media Converter - Built-In Fiber Module 2 km (1.24 miles) SC – to UTP Cat5e Cat6 10/100/1000 RJ-45 – Auto Sensing Gigabit or Fast Ethernet Speed - Jumbo Frame - LLF Support : Electronics