Our QSFP28 Bidirectional (Bidi) transceivers delivers high-speed 100G connectivity over a single strand of fiber, with reach options up to 70km and support for both standard and industrial temperature environments. Explore a wide range of SFP QSFP fiber optic solutions at Fiber Optic Egypt, including cables and modules for all your telecommunication needs. Whether it's building a network or upgrading an existing network, the Cisco® QSFP-100G-B20U4-I and QSFP-100G-B20D4-I transceivers provide 100G connectivity for platforms at up to 20km on single SMF (Single Mode Fiber). ZR4 BiDi, using four. SAXONBURG, PA, September 26, 2025 (GLOBE NEWSWIRE) – Coherent Corp. This article briefly introduces the key features and core advantages of 100G BiDi.