The Finisar FTLC1155RGPL is a 100G CWDM4 QSFP28 optical transceiver module designed for high-speed data transmission over single-mode fiber (SMF). Operating at wavelengths of 1271, 1291, 1311, and 1331 nm, it supports a maximum data rate of 103.1 Gbps over distances up to 2 kilometers. This module features a duplex LC connector and is compliant with the CWDM4 MSA, QSFP28 MSA, and IEEE P802.3bm standards. It supports Digital Diagnostic Monitoring (DDM) for real-time performance tracking and operates within a commercial temperature range of 0°C to 70°C. With a power consumption of less than 3.5W, the FTLC1155RGPL is suitable for applications in data centers, enterprise networks, and high-performance computing environments.