This SC/APC (male) to LC/UPC (female) fiber optic adapter is engineered for high-precision singlemode connections. It offers exceptionally low insertion loss (≤0.2 dB) and high return loss (≥60 dB) to deliver clear, uninterrupted signal transmission.Crafted with precision-ceramic ferrules and a rugged metal housing, the adapter withstands harsh environmental conditions and frequent mating cycles. Perfectly compatible with telecom backbones, data center racks, and FTTH networks, it ensures reliable performance day after day.