This cable is RoHS compliant and the fiber patch cord is optically tested for insertion loss to ensure high quality Connector LC to ST Jacket OD 2.0mm Fiber Mode 9/125μm Jacket Color Yellow Polish UPC to UPC Wavelength 1310/1550nm Fiber Type Simplex Jacket Material PVC Insertion loss ≤0.3dB Interchangeability ≤0.2dB Return loss ≥50dB Vibration ≤0.2dB Operating Temperature -40~75°C Storage Temperature -45~85°C Polarity A(Tx) to B(Rx) Fiber Grade G.652.D