HOMEFibre-opticSFP155M SMF BIDI SFP Transceiver, 20km, T1310/R1550nm LevelOne 20-10822 155M SMF BIDI SFP Transceiver, 20km, T1310/R1550nm SKU #20-10822 Oh oh! That product is no longer available... Check out these alternatives NETGEAR AFM735-10000S 100BASE-FX SFP LC Fibre GBIC Module Details NETGEAR AGM731F 1000Base-SX Multimode SFP Module, LC duplex connector Details NETGEAR AGM732F 1000Base-LX Singlemode SFP Module, LC duplex connector Details NETGEAR AGM734-10000S ProSafe 1000BASE-T SFP RJ45 GBIC Module Details VIEW ALL SFP