OM4 SC/UPC multimode Duplex 50/125μm bending insensitive fiber optic loopback adapter with precision ceramic ferrule for maximum Return Loss, minimum Insertion Loss and high reliability.

Built with premium optical cables and connectors, it offers low insertion loss (≤0.6db) and low return loss (≥20db), operating reliably across a wide temperature range of -40 to 75°C.

The loopback tester is designed with a protective casing for the fiber optic cable, preventing bending or breakage and enhancing the adapter's durability during tests.

Versatile Applications: Ideal for fiber optic testing, network recovery, and system debugging. This LC connector loopback adapter is perfect for evaluating the performance of fiber optic cabling, SFP modules, equipment ports, or entire network devices.

Warranty & Support: 100% functional testing ensures reliable performance and product integrity. Enjoy a 7-day free return policy for peace of mind.