Package Includes6pcs SC/APC Male to LC/UPC Female Adapter. ^^ Compact DesignFiber connector has mini size and lightweight, making it easy to carry. ^^ Durability and PracticalityThe SC/APC Male to LC/UPC Female Adapter is constructed using durable materials and precision manufacturing techniques, enabling it to withstand multiple connections and disconnections. This results in a lifespan of over 1000 cycles. ^^ Product ParametersReturn Loss (dB) 50; Insertion Loss (dB) 0.20; Number of Mating and Unplugging Cycles > 1000 times. ^^ Widely UsedThis adapter is extensively utilized in optical fiber distribution frames, optical fiber communication networks, optical fiber broadband access networks, optical fiber CATV systems, optical fiber instrumentation, and optical fiber local area networks.