fiber optic adapter/adaptor, FC/APC to FC/APC, Single mode/Multimode(SM/MM), single/ simplex core, round, metal type, "D" shape-S. Features 1. Accurate Dimension 2. Good Exchangeability 3. Good Repeatability 4. Good Wear Resistance Parameter Item Specification SM MM PC UPC APC PC Insertion loss ≤0.20 dB Max. insertion loss ≤0.30 dB Repeatability ≤0.10 dB Changeability ≤0.20 dB Return loss 45 dB 50 dB 60 dB Operation temperature -25 ~ +70 Storage temperature -40 ~ +85 Fiber type 9/125 um 50/125,62.5/125 um Core number single or dual fiber Durability >1000 times Industry standard Bellcore TA-NWT-001209 Application FTTH, LAN, PON & Optical CATV Local ring net Optical fiber communication system Optical fiber test equipment Optical fiber network More please visit our website: 3w(dot)youfibercable(dot)com or email to: jeff(at)