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
IMC-350I-SFP-A - Advantech
What are SFP (Small form factor pluggables)?
SFP+a Breather caps Without air filter, marked "OIL" | Elesa+Ganter
1g bidirectional sfp single mode fiber| Alibaba.com