The Dell 407-BCDH is a high-performance 100GBase-LR4 QSFP28 optical transceiver designed for reliable data transmission over single-mode fiber (SMF). Operating in the wavelength range of 1295-1309 nm, this module supports transmission distances of up to 10 kilometers, making it ideal for long-range applications in data centers and enterprise networks. It utilizes LC connectors, ensuring secure and efficient connectivity. The transceiver is equipped with Digital Diagnostic Monitoring (DDM) capabilities, allowing for real-time tracking of performance metrics and link health. The Dell 407-BCDH is engineered to deliver scalable, robust connectivity solutions to meet the increasing demands of high-bandwidth applications..