SFP-7020-WA - Gigabit Ethernet BiDirectional single strand WDM SFP transceiver, Tx:1310nm/Rx:1550nm, type A, max range 20Km, single LC connector
H3C SFP-GE-SX-MM850 1000BASE-SX SFP (mini-GBIC) Transceiver - FS.com Europe
Amazon.com: Gigabit SFP to RJ45 Fiber to Ethernet Media Converter, Dual 10/100/1000Mbps RJ45 Ports to 1000Base-SX/LX/EX SFP Slots, Support Gigabit SFP Modules, Without Transceiver : Electronics