StarTech.com Juniper RX-70KM-SFP Compatible SFP Module, 1000BASE-ZX, 1GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector 70km, 1550nm, DDM, Mini GBIC

Lifetime Warranty (RX70KMSFPST) - SFP (mini-GBIC) transceiver module (equivalent to: Juniper RX-FXSM-SFP) - GigE - 1000Base-ZX - LC single-mode - up to 70 km - 1550 nm