The Alcatel-Lucent QSFP-100G-CWDM4 transceiver, based on the 100G-QSFP28-2.1 product, matches OEM standards and specs. It works over Double Fiber Single-Mode Fiber (SMF) cables with a 3.5 dB optical budget, typically covering up to 2 km. The module features a DML Laser transmitter and PIN Photodiode receiver at specific wavelengths and supports DDM/DOM diagnostics. It has a Double LC connector, operates in temperatures from 0°-70°C, and supports data rates up to 103.125 Gbps, including 100G Ethernet. This versatile transceiver is used in ISP aggregation, mobile core networks, and data centers.