CISCO - TWINGIG CONVERTER MODULE - X2 TRANSCEIVER MODULE - 2 PORTS - 1000BASE-X - PLUG-IN MODULE (CVR-X2-SFP). KEY FEATURES : DEVICE TYPE : X2 TRANSCEIVER MODULE PORTS QTY : 2 ENCLOSURE TYPE : PLUG-IN MODULE DIMENSIONS (WXDXH) : 1.5 IN X 3.6 IN X 0.7 IN CABLING TYPE : 1000BASE-X DATA TRANSFER RATE : 1 GBPS DATA LINK PROTOCOL : GIGABIT ETHERNET CONDITION : NEW FACTORY SEALED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.