FC Male-Female fiber optic attenuator fixed, SM, MM, PC, APC, 5dB, 10dB, 15dB, etc FC/APC 3.0 FC/PC 2.0 FC/PC 0.9 FC/APC 0 FC/APC 3.0 FC/PC 2.0 FC/PC 0.9 FC/APC 0.9 SC/PC 2.0 SC/APC 2.0SC/PC 0.9 SC/APC 0.9 SC/PC 3.0 STLC/PC-SM-2.0LC/PC-S-SM-3.0LC/PC-S-MM-3.0LC-PC-SM-2.0LC-PC-S-MM-2.0LC/PC-D-SM-3.0LC/PC-D/SMFC Male-Female fiber optic attenuator fixed, SM, MM, PC, APC, 5dB, 10dB, 15dB, etc FC, SC, ...