CISCO - 10GBASE-LR X2 TRANSCEIVER MODULE FOR SMF 1310-NM WAVELENGTH SC DUPLEX CONNECTOR. SPECIFICATIONS - PRODUCT DESCRIPTION : CISCO X2 - TRANSCEIVER MODULE - DEVICE TYPE : TRANSCEIVER MODULE - FORM FACTOR : PLUG-IN MODULE - INTERFACE (BUS) TYPE : X2 - DIMENSIONS (WXDXH) : 3.6 CM X 9.1 CM X 1.3 CM - CABLING TYPE : ETHERNET 10GBASE-LR - DATA LINK PROTOCOL : 10 GIGABIT ETHERNET - MAX TRANSFER DISTANCE : 10 KM - DATA TRANSFER RATE : 10 GBPS - COMPLIANT STANDARDS : IEEE 802.3AE CONDITION : NEW FACTORY SEALED BAG. AVAILABILITY : IN STOCK. WARRANTY : 30 DAYS.