Our 100G BiDi QSFP28 MMF transceiver enables fiber-efficient short-reach connectivity using single-fiber bidirectional technology. Supporting 150m over OM5 multimode fiber at 850/900nm wavelengths, this dual-rate 100G/40G module delivers 1. The FS® 100GBASE Quad Small Form-Factor Pluggable (QSFP28) portfolio offers customers a wide variety of high-density and low-power 100 Gigabit Ethernet connectivity options for data center, high-performance computing networks, enterprise core and distribution layers, and service provider. NEC's 100G QSFP28 BiDi optical transceiver enables the transmission and reception of 100Gb/s high-speed data over a single optical fiber. By enabling bidirectional transmission over a single fiber, this module enhances fiber utilization efficiency and can reduce fiber costs. ZR4 BiDi, using four. This guide provides the definitive roadmap for selecting, deploying, and troubleshooting QSFP28 transceivers while bypassing the painful trial-and-error phase.