Item Parameter Single-Mode Multi-Mode Insertion Loss ≤0.3dB Durability (1000 Mating) 0.2dB Max. Operating Temperature -40℃~+75℃ Storage Temperature -40℃~+85℃ Remark: Ferrule Concentricity SM< 1um; MM< 4um              Ferrule inner diameter tolerance SM125+1/-0um; MM127+3/-0um              Ferrule outer diameter tolerance +/-0.5 um