The Dell 407-BBGN is a high-performance 40GBase-LR4 QSFP+ transceiver designed for long-distance data transmission in enterprise and data center environments. Operating within a wavelength range of 1271 to 1331 nm, it supports single-mode fiber (SMF) connections for distances up to 10 kilometers. This compact module features a dual LC connector for easy installation and efficient space utilization. With integrated digital diagnostic monitoring (DDM) capabilities, it provides real-time insights into operational performance, enhancing network management and reliability. Ideal for high-bandwidth applications requiring extended reach, the 407-BBGN ensures seamless connectivity and robust network performance over long distances..