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                   Detailed Product Description 
                   Insertion loss: 
SM: ≤ 0.3dB (maximum) 
MM: ≤ 0.5dB (maximum) 
Return loss: 
≥ 45dB (PC polishing) 
≥ 55dB (UPC polishing) 
≥ 60dB (APC polishing) 
Durability (500 matings):  0.2dB increase (maximum) 
Operating temperatures: -20 to 75 
Storage temperatures: -40 to 75 
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