The hybrid adapter is used for connecting single-mode optical fibers with FC/APC – SC/APC connectors, which are the most common in distribution panels, connecting patch cables with pigtails that have been spliced to the optical fiber cable. Single-mode adapters feature a ceramic centering element and are manufactured with higher precision compared to multimode adapters. The device can be used in optical fibers with high data transmission speeds. FC and SC connectors are currently the most popular connectors used in optical fiber installations.