QSFP 40G LR4 S Cisco SFP GLC Module Trnscvr Mod LC 10km Enterprise Class Product Code QSFP-40G-LR4-S Description Cisco 40GBASE-LR4 QSFP Module for SMF Dimensions 13.5 x 18.4 x 72.4 mm Wavelength (nm) 1310 Cable Type SMF Core Size (microns) G.652 Modal Bandwidth (MHz-km) Cable Distance 10km Power Consumption (W) 3.5 Pull Tab Color Blue