Features and Specifications Insertion Loss: PC ≤0.3dB UPC ≤0.2dB APC≤0.2dB MM≤0.3dB Return Loss: PC ≥45dB UPC ≥50dB APC≥60dB MM≥35dB Repeatability: ≤0.2dB Changeability: ≤0.2Db Operating Temperature: -30---+75 Storage Temperature: -30---+85