The Nokia 1AB196370014 is a high-performance optical SFP transceiver module designed for long-distance data transmission over single-mode fiber. Operating at 1550 nm, it supports data rates up to 2.488 Gbps and distances up to 160 km, making it ideal for SONET/SDH OC-48 applications. Compatible with Alcatel-Lucent 1660 SM and 1830 PSS platforms, it ensures reliable and efficient network connectivity.