Ubiquiti Networks U Fiber 1.25G BiDi Single-Mode Module - Silver (UF-SM-1G-S)

A Pair 1G Bidi SFP Transceiver, 1310nm/1550nm, Fiber SC 20km For Cisco GLC-BX-U

A Pair 1G Bidi SFP Transceiver, 1310nm/1550nm, Single LC 20km For Cisco GLC-BX-U

SFP-10G-SR New sealed original Cisco SFP Transceiver Module Good Quality

2Pack 1.25Gb/s 3KM SC Connector Single-Mode Fiber Transceiver Module SFP-BX03-D

A Pair Bidi SFP Transceiver, 1310nm/1550nm LC 20km For Ubiquiti UniFi UF-SM-1G-S

New 10 Switch Modules 20km 1.25G 1310/1550nm SFP WDM Modules SFP-WDM-20U-S

1.25G BIDI SFP Transceiver Singlemode Single fiber 3km LC SFP Module Fiber modul