ST, SC, SC/APC, FC and FC/APC Fiber-Optical adaptors are made of quality imported ceramic insertion pins with high definition, low insertion loss, high Return loss, high temperature stability, strong environmental adaptability, wide application and high performance-to-price ratio. It goes through the manufacturing testing in strict accordance with the national standards with first-class quality. It has the price for the domestic market and the quality for the international market. Performance Indexes: Optical cable conductor diameter: 62.5/125 m 50/125 m 9/125 m Insertion loss: <0.3dB Reflection attenuation: >45 dB (UPC) Reflection attenuation: >60 dB (APC) Insert and pull test: 1,000 times: <0.2 dB Interchanging capability: <0.2 dB Temperature scope: -40℃~ +80℃ Tension strength: 15kgf