EXFO America Inc. 10G **FLEX compatible**Software key enabling 10Gb/s optical rate interface(OC-192/STM-64) - Included with FTB/IQS-8130NGE-1, -10 & -100 - Available for FTB/IQS-8130NGE-FLEX - Upgradable to 10G for FTB/IQS-8130NGE-2.5G