... Patch Cord(LC,SC,ST,FC)/(PC,UPC,APC)/(SM,MM)/(Duplex,Simplex)All the types ... WAN, Test &MeasuremenFTTHVideo transmissionTest instrumentCATVTest Report ItemLC, SC, ST, FC etcTypeMulti-ModeSingle-Mode Light CharacteristicOperating ... 2dBTypical Return Loss--PC≥45dB,UPC≥50dB,APC≥65dB Mechanical TestingRepeatability≤0.2dBExchange≤0.2dBDurability> ... loss LC-LC/APC /SM/simplex fiber optic patch cord