#gbase lr km

40 Gigabit QSFP+ LC Single-Mode Transceiver, 40GBASE-LR4 Module Compatible with Cisco QSFP-40G-LR4, 4 CWDM Lanes, DDM, 10km

Jeirdus for Ubiquiti UF-SM-10G, 10G SFP LR SFP+ Transceiver Module, 10GBase-LR

10Pack 10GBase-LR SFP+ Transceiver, 10G LC Single Mode Module for Cisco SFP-10G-LR, Meraki MA-SFP-10GB-LR, Ubiquiti UF-SM-10G, Mikrotik, D-Link, Supermicro, Netgear DDM, 1310nm, 10km

4Pack 10GBASE-LR 10G SFP+ Module, 1310nm, 10km, DDM LC Mini-GBIC Transceiver for Cisco SFP-10G-LR, Ubiquiti UF-SM-10G, Mikrotik, Netgear, Qnap NAS, D-Link, TP-Link

100G QSFP28 for Cisco QSFP-100G-LR4-S 100GBASE-LR4 QSFP28 Transceiver Module SMF, 1310nm, 10km, LC, DOM

QSFPTEK 10G SFP+ Module 10GBASE-LR 1310nm 10km DDM LC SFP+ Transceiver for Cisco SFP-10G-LR, Ubiquiti UF-SM-10G, Mikrotik, Netgear, Qnap NAS, D-Link, TP-Link, Other Open Switches

6COM 4Pack 10GBase-LR SFP+ Transceiver, 10G Duplex LC Single-Mode Module for Cisco SFP-10G-LR, Meraki MA-SFP-10GB-LR, Ubiquiti UF-SM-10G, Mikrotik, D-Link, Supermicro, Netgear

6COM 10 Gigabit SFP+Transceiver, 10GBase-LR LC Single-Mode Module for Intel E10GSFPLR