... 326-CORE specification Specifications ParametersTest Condition Value (dB) MultimodeSinglemodeInsertion Loss0.85/1.3um or 1.31/1.55um≤0.3≤0 ... .3 Return Loss0.85/1.3um or 1.31/1.55um≥35≥50 (APC ... 0.2 Low Temperature-40°C, During 100 Hours<0.2<0.2 Temperature Cycle-40°C~+85°C, during 5 Cycles<0.2 ... <0.2 Humidity+25°C~+65°C, 93%R.H, 100 ...