This MSA compliant QSFP28 transceiver provides 100GBase-SR4 throughput up to 100m over OM4 multi-mode fiber (MMF) using a wavelength of 850nm via an MPO connector. It can operate at temperatures between 0 and 70C. QSFP-28 Fiber Optic Transmitters, Receivers, Transceivers are available at Mouser Electronics. FEC: If FEC is required in host equipment f power and Rx sensitivity. By providing four lanes of 25G, QSFP28 enables a streamlined upgrade path from lower-speed networks, making it a popular choice for scaling data center interconnect (DCI) and.