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 -
Amazon.com: 1.25G SFP 1310nm Single-Mode Module SMF 1000Base-LX, Up to 20 km Transceiver for Cisco GLC-LH-SMD,Ubiquiti UniFi,Meraki MA-SFP-1GB-LX10,Intel,Fortinet,Mikrotik,D-Link,Netgear,TP-Link TL-SM311LS : Electronics
Hikvision HK-SFP-1.25G-20-1550 Single Fiber SFP Module