10057H-ST - Startech Extreme Networks 10057H Compatible SFP Module, 1000BASE-BX-U, 1 Gigabit Ethernet Bi-Directional (BiDi) Fiber Single Strand SFP (SMF), LC 10km, Mini GBIC Transceiver SFP Module

Lifetime Warranty (10057H-ST) - SFP (mini-GBIC) transceiver module (equivalent to: Extreme Networks 10057H) - 1GbE - 1000Base-BX-U - LC single-mode - up to 10 km - 1310 (RX) / 1490 (TX) nm