The Isleleap QSFP28 100GBASE-CWDM4 transceiver module delivers high-performance 100 Gigabit Ethernet connectivity for demanding data center and enterprise network applications. Operating at 1310nm wavelength, this optical transceiver supports transmission distances up to 2km over single-mode fiber using duplex LC connectors. Designed with CWDM4 technology, it provides efficient wavelength division multiplexing for enhanced bandwidth utilization. This hot-pluggable module features built-in DDM (Digital Diagnostic Monitoring) functionality, enabling real-time monitoring of temperature, voltage, and optical power levels for proactive network management. Compatible with major networking equipment from Cisco, Arista, Juniper, and other leading manufacturers, it offers flexible deployment options for switches and routers. The compact form factor ensures easy installation in high-density environments. Each module is backed by a 2-year warranty and includes one transceiver unit. Ideal for upgrading or expanding network infrastructure with reliable 100G connectivity capabilities across single-mode fiber deployments.