10Gtek a Pair of 1G SFP Bidi Transceiver 2km, 1000Base-BIDI Singlemode Simplex LC Module, 1550nm/1310nm, DDM, Compatible for Cisco 1000BASE-BX3-U/1000BASE-BX3-D, Ubiquiti UniFi UF-SM-1G-S and More
10Gtek a Pair of 1G SFP Bidi Transceiver 20km, 1000Base-BIDI Singlemode Simplex LC Module, 1490nm/1310nm, DDM, Compatible for Cisco GLC-BX-D, Ubiquiti UniFi UF-SM-1G-S, Mikrotik, Netgear and More
A Pair of 1.25G SFP Bidi Transceiver 1000Base-BIDI SingleMode Simplex LC Fiber Module SMF 1310nm/15500nm DDM up to 20 km for Cisco GLC-BX-D, Ubiquiti UniFi UF-SM-1G-S, Mikrotik and More (1)
H!Fiber.com a pair of Bidi Gigabit Ethernet Media Converter, 1.25G SFP to RJ45 Fiber to copper, Built-in Bidi SFP Transceiver (1000Base-LX, 20km, singlemode simplex LC)
4 pack, 1000BASE-LX SFP Transceiver, SFP to LC, 1.25G singlemode module Compatible with Cisco GLC-LH-SM/GLC-LH-SMD, MA-SFP-1GB-LX20, Ubiquiti UniFi UF-SM-1G, Mikrotik S-31DLC20D, Netgear AGM732F...
10Gtek [10 Pack 10Gb SFP+ LR Singlemode Module 10km, 10GBase-LR LC Transceiver Compatible for Cisco SFP-10G-LR, Meraki, Mikrotik, Ubiquiti UniFi UF-SM-10G, Netgear,Zyxel,Qnap,Synology,D-Link and more