Fibre optic adapter: Fritzbox SC/APC female to LC/APC male, singlemode. Provides stable docking with insertion loss of 0.2 dB max. Stable performance: Uses a 1.25/2.5 mm plug for durable and fast connections. Precise and stable docking is not easy to loosen, meeting the transmission needs of different wavelengths. Quality material: Precisionmade fibreglass body with a telecommunicationfriendly design. Solid and wearresistant, it effectively suppresses ground loop noise, isolates other interference signals, and helps prevent damage to the main control system. Product specifications Length: 5.1 cm Height: 1.1 cm Weight: 10 g Plug/unplug cycles: supports up to 1000 Storage temperature: 25 C to 85 C Operating temperature: 25 C to 70 C Use scenarios Home or small office fiber setup: pair a Fritzbox router with SC/APC female to LC/APC male singlemode connections for a stable, lowloss link. Telecom cabinet or equipment installations: reliable docking and interference suppression help protect sensitive control systems in racks or cabinets. Environments with temperature variation or plug/unplug activity: built to endure frequent cycles and operate across a wide temperature range.