... connect optical connectors of same type, such as FC, SC and ST. optical adapters are widely uses in light ... adaptor Performance IndexFiber optics Insertions Loss(dB)≤ 0.20(FC,SC,ST,LC,MU); ≤0.5dB (MT-RJ)Repeatability(dB ... )≤ 0.10( FC,SC,ST,LC,MU); ≤0.2dB (MT-RJ)Interchangeability(dB)≤ ... there is any question on our production. HK-02001-A SC optical fiber adaptor