EXFO America Inc. IQS-8130NGE-FLEX 10Gb/s Multiservice SONET/SDH/Ethernet/FC Test ModuleAvailable Optical Interface: Optical reach will be determined by selected transceivers. - SFP Transceiver must be specified. (up to 2.5Gb/s) - XFP Transceiver must be specified. (up to 10Gb/s)