The Nokia 3KC49200AA (also known as 11QPA4B) is a high-performance 100GBASE-LR4 QSFP28 optical transceiver module designed for long-distance data transmission over single-mode fiber. Operating at a wavelength of 1310 nm, it supports data rates up to 100 Gbps over distances up to 10 km using an LC duplex connector. Ideal for data centers and service provider networks, this module offers reliable connectivity and is compatible with Nokia’s 1830 PSS platforms.