[(100% Compatibility)] It's 100% compatible for almost all Brocade 40GBASE-LM4 Standards devices, coding as Brocade 40G-QSFP-LM4
[(40G QSFP+LM4)] 40GBASE LM4 QSFP+ transceiver module, duplex LC connector, up to 150m on OM3 Multimode Fiber MMF and 2km on Single mode OS2 SMF, it operates over duplex multimode and single mode fiber with dual LC receptacles. 4 CWDM lanes (1271, 1291, 1311 and 1331nm), Hot Pluggable, built-in digital diagnostic functions, 0degC to 70degC(32 to 158degF)
[(Connector&Cable)] 40GBASE-LM4 QSFP+ transceivers use duplex fiber patch cables with duplex LC connectors. It support both multimode fibers MMF on OM3 up to 150m and single mode fibers OS2 SMF up to 2km.
[(5 Yrs' Warranty)] for 30-Days Free-returned or Exchange, 5-Years long period for Free-maintenance and Lifetime long technical support . and if you have any problems, Question US for 24Hours online service.