Item Single mode Multi mode Insertion loss PCd0.20dB, UPC d0.25dB, APC d0.25dB 0.3dB Return loss PC e50 dB, UPC e55 dB & APC e60 dB 25dB Insert-pull test 1000( times) 0.2dB Operating temperature -40 ~ + 80 Ceramic ferrule spec 125.5um concentricity deviations: 1um 127um concentricity deviations: 3um Suitable fiber PC/ APC( 9/ 125um) PC( 50/ 125um, 62.5/ 125um