Based on this product's specifications, here are some alternatives and similar models
BlueOptics QSFP28 to SFP28 Converter 100Gbps (01FT845-BO) — SFP28 Transceiver Slot, Multimode & Singlemode, 0°C–+70°C
Summary description:
BlueOptics 01FT845-BO is a QSFP28 to SFP28 100 Gigabit converter that provides a hot-pluggable slot for an SFP28 transceiver. Compatible with multimode and singlemode transceivers, it enables linking QSFP28 ports to SFP28 modules for flexible port conversion. Designed for data center and network equipment integration, it operates in environments from 0°C to +70°C.