CISCO - RUGGED SFP SFP (MINI-GBIC) TRANSCEIVER MODULE - LC SINGLE MODE - PLUG-IN MODULE (GLC-LX-SM-RGD). KEY FEATURES : DEVICE TYPE : SFP (MINI-GBIC) TRANSCEIVER MODULE ENCLOSURE TYPE : PLUG-IN MODULE CONNECTIVITY TECHNOLOGY : WIRED CABLING TYPE : 1000BASE-LX, 1000BASE-LH DATA LINK PROTOCOL : GIGABIT ETHERNET DATA TRANSFER RATE : 1 GBPS OPTICAL WAVE LENGTH : 1310 NM CONDITION : NEW FACTORY SEALED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.