StarTech.com Dell EMC SFP-1G-BX10-U Compatible SFP Module, 1000BASE-BX-U, 1 Gigabit Ethernet Bi-Directional (BiDi) Fiber Single Strand SFP, LC 10km, Mini GBIC Transceiver Module, Upstream

Lifetime Warranty (SFP1GBX10UES) - SFP (mini-GBIC) transceiver module (equivalent to: Dell EMC SFP-1G-BX10-U) - 1GbE - 1000Base-BX10-U - LC single-mode - up to 10 km - 1310 (TX) / 1490 (RX) nm