Amazon.com: 2 Pack 1.25G/s Bidi Gigabit Single-Mode Fiber to Ethernet Media Converter with 2PCS Bidi SFP LC Dual Transceiver Module Included, 10/100/1000Base-Tx to 1000Base-LX SMF RJ45 to SFP Slot up to 550M :
Amazon.com: Gigabit Single Mode SFP Module for Unifi UF-SM-1G, 1000Base-LX/LH SFP Transceiver, 1G SFP to LC Fiber Mini-GBIC, for Ubiquiti, Mikrotik, Intel, Fortinet, Netgear, D-Link, Supermicro (SMF,1310nm,20km) : Electronics
Amazon.com: 1.25G SFP Transceiver 1000Base-LX, 1310nm SMF, up to 10 km, for Cisco GLC-LH-SMD, Meraki MA-SFP-1GB-LX10, Ubiquiti UniFi, Fortinet, Mikrotik, D-Link, Netgear, TP-Link TL-SM311LS and More, Pack of 2 : Electronics
Amazon.com: Fiber to Ethernet Media Converter, Gigabit Single Mode SFP LC Converter, 1000Base-LX to 10/100/1000M RJ45, SMF, 1310nm, up to 20km (12.4miles) : Electronics