Meets ANSI, TIA/EIA and IEC standards PC,UPC,APC polishing ways Low insertion loss Meets ANSI, ... TIA/EIA and IEC standards PC,UPC,APC polishing waysLow insertion lossHigh return lossGood Interchangeability and ... Parameters:Insertion loss: ≤0.3dBReturn loss: ≥45dB (PC), ≥50dB (UPC), ≥60dB (APC)Interchangeability: ≤0.1dBRepeatability: ≤0.1dB Water-Proof Pigtail patch cord